LF Mike 'Nasty' Heffinger #23
Chicago White Sox MLB
Age: 27 | Bats: S | Throws: L | Morale: Good
12/07/2034
 OA: 55 POT: 60
BNN Index | MLB | SCORES | STANDINGS | STATS | TEAMS | PLAYERS | TRANSACTIONS | HISTORY
LF MIKE 'NASTY' HEFFINGER #23 - AGE: 27 - BATS: S - THROWS: L - MORALE: GOOD
G AB H 2B 3B HR RBI BB K AVG OBP SLG SB WAR
87 318 73 9 1 22 50 40 141 .230 .324 .472 1 1.3
BATTING RATINGS (OSA)
Overall Pot. Overall Vs Left Vs Right Pot.  
Contact 45 45 45 50
Gap 50 45 50 55
Power 65 55 70 65
Eye 65 55 70 65
Avoid K's 30 25 30 40
FIELDING RATINGS
Catcher Infield Outfield
Range: - 35 55
Errors: - 50 50
Arm: 20 40 65
Turn DP: - 25 -
Framing: 20 - -
POSITION RATINGS
Pitcher: 65 Shortstop: -
Catcher: - Left Field: 60
1st Base: 50 Center Field: 35
2nd Base: - Right Field: 60
3rd Base: -
       
RUN/BUNT
Running Speed: 60
Stealing Aggressiveness: 35
Stealing Ability: 45
Baserunning Inst.: 80
Sacrifice Bunt: 40
Bunt for Hit: 20
   
GAME LOG, LAST 10 GAMES
Date Vs. Result AB R H BI HR BB K SB
10/01/2034 @ MIN Loss, 4-5 4 0 0 0 0 1 2 0
09/29/2034 @ MIN Win, 2-1 4 1 3 2 1 0 1 0
09/27/2034 SEA Loss, 2-8 3 1 0 0 0 1 2 0
09/25/2034 SEA Win, 1-0 4 0 0 0 0 0 3 0
09/24/2034 PIT Loss, 1-2 4 0 1 0 0 0 2 0
09/22/2034 PIT Loss, 3-6 5 0 1 0 0 0 2 0
09/21/2034 @ SD Win, 8-5 4 1 1 1 0 1 1 0
09/20/2034 @ SD Loss, 0-1 2 0 0 0 0 2 1 0
09/19/2034 @ SD Loss, 1-4 3 0 0 0 0 0 1 0
09/17/2034 KC Loss, 4-8 4 1 1 1 0 0 1 0
PERSONALITY
He has an extensive workout regimen and is seldom out-witted. He is well-respected by his teammates.
Birthday:10/26/2007
Born in:Clifton, TN
Nationality:American
Height:6' 3"
Weight:200 lbs
Local Popularity:Popular
National Pop.:Well Known
STATUS
Contract:Major League Contract
Salary:$7,687,500
Signed Through:2035 Season
Major Service:4 Years, None
Service This Yr:185 Days
40-Man Service:4 Years, None
Pro Service:8 Years
Arbitration Eligibility:Arbitration eligible in offseason
Option Years:3 option years left
Contract Extension: -
Drafted:2026, 1st Pick in Round 1
MAJOR LEAGUE BASEBALL 2034 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 87 318 73 9 1 22 50 49 40 141 .230 .324 .472 .796 .336 .242 113
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 84 364 5 4 0 8 0 1 150 32 1 1 50.0 48.4 5.13 1.3  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   83 11 0 0 5 8 8 3 38 0 0 1 .133 .172 .313 .486
Versus Right   235 62 9 1 17 42 41 37 103 1 0 4 .264 .372 .528 .900
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
March   7 2 0 0 1 1 1 1 3 0 0 0 .286 .375 .714 1.089
April   68 18 2 0 6 12 13 8 27 0 0 2 .265 .359 .559 .918
May   69 16 2 0 4 8 12 12 35 0 0 0 .232 .346 .435 .780
June   76 21 3 0 7 17 10 6 31 0 0 1 .276 .337 .592 .929
August   26 4 1 0 1 2 1 1 10 0 0 1 .154 .214 .308 .522
September   68 12 1 1 3 10 12 11 33 1 0 1 .176 .296 .353 .649
October   4 0 0 0 0 0 0 1 2 0 0 0 .000 .200 .000 .200
Spring Training   37 7 2 0 2 5 5 6 9 0 0 1 .189 .318 .405 .724
Last Year   399 90 16 2 21 58 51 57 172 1 0 8 .226 .333 .434 .767
2 Years Ago   354 82 12 2 12 51 44 33 155 2 0 7 .232 .308 .379 .687
Career   1535 346 58 7 73 225 201 184 661 5 0 28 .225 .318 .415 .733
Home   159 37 7 1 11 26 27 20 68 1 0 4 .233 .332 .497 .828
Road   159 36 2 0 11 24 22 20 73 0 0 1 .226 .317 .447 .763
Grass   302 71 9 1 21 49 48 37 133 1 0 5 .235 .328 .480 .808
Turf   16 2 0 0 1 1 1 3 8 0 0 0 .125 .263 .312 .576
Day   111 27 3 1 8 19 17 16 51 0 0 2 .243 .349 .505 .853
Night   207 46 6 0 14 31 32 24 90 1 0 3 .222 .311 .454 .765
As Starter   315 73 9 1 22 50 49 40 140 1 0 5 .232 .327 .476 .803
As Reliever / Substitution   3 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Pinch Hitting   3 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Close/Late   70 16 3 0 3 8 10 8 30 0 0 2 .229 .325 .400 .725
Inning 1-3   117 33 2 0 11 24 20 9 56 1 0 0 .282 .331 .581 .912
Inning 4-6   101 22 3 1 8 18 15 17 44 0 0 3 .218 .347 .505 .852
Inning 7-9   86 13 2 0 2 7 12 13 37 0 0 2 .151 .277 .244 .521
Extra Innings   14 5 2 0 1 1 2 1 4 0 0 0 .357 .400 .714 1.114
0 Outs   111 26 2 1 10 15 22 11 49 0 0 2 .234 .315 .541 .855
1 Outs   99 22 4 0 4 17 12 13 46 1 0 1 .222 .316 .384 .700
2 Outs   108 25 3 0 8 18 15 16 46 0 0 2 .231 .341 .481 .823
Scoring Position   86 24 3 0 5 31 17 18 42 1 0 0 .279 .400 .488 .888
Bases Empty   181 41 5 1 15 15 25 13 77 0 0 5 .227 .296 .514 .810
Runner on 1st   51 8 1 0 2 4 7 9 22 0 0 0 .157 .283 .294 .577
Runner on 2nd   42 10 1 0 0 7 6 12 25 0 0 0 .238 .407 .262 .669
Runner on 3rd   15 5 1 0 3 9 3 1 6 1 0 0 .333 .353 1.000 1.353
Runner on 1st & 2nd   15 6 1 0 2 9 4 1 5 0 0 0 .400 .438 .867 1.304
Runner on 1st & 3rd   7 2 0 0 0 2 2 1 3 0 0 0 .286 .375 .286 .661
Runner on 2nd & 3rd   2 1 0 0 0 2 2 2 0 0 0 0 .500 .750 .500 1.250
Bases Loaded   5 0 0 0 0 2 0 1 3 0 0 0 .000 .167 .000 .167
Two Strikes   220 31 5 1 7 22 19 19 141 1 0 4 .141 .221 .268 .489
First Pitch   25 8 1 0 3 4 5 3 0 0 0 1 .320 .414 .720 1.134
Count 0-1   18 7 0 0 4 9 5 0 0 0 0 0 .389 .389 1.056 1.444
Count 0-2   35 3 1 1 0 2 1 0 26 0 0 1 .086 .111 .171 .283
Count 1-0   13 8 1 0 3 5 6 1 0 0 0 0 .615 .643 1.385 2.027
Count 1-1   21 11 0 0 2 4 6 0 0 0 0 0 .524 .524 .810 1.333
Count 1-2   72 11 2 0 2 10 5 0 50 1 0 0 .153 .151 .264 .415
Count 2-0   7 3 2 0 1 1 2 0 0 0 0 0 .429 .429 1.143 1.571
Count 2-1   9 2 0 0 1 3 2 0 0 0 0 0 .222 .222 .556 .778
Count 2-2   62 11 2 0 2 6 5 0 39 0 0 1 .177 .190 .306 .497
Count 3-0   0 0 0 0 0 0 3 9 0 0 0 0 .000 1.000 .000 1.000
Count 3-1   5 3 0 0 1 2 1 8 0 0 0 0 .600 .846 1.200 2.046
Full Count   51 6 0 0 3 4 8 19 26 0 0 2 .118 .375 .294 .669
Behind in Count   125 21 3 1 6 21 11 0 76 1 0 1 .168 .173 .352 .525
Ahead in Count   34 16 3 0 6 11 14 18 0 0 0 0 .471 .654 1.088 1.742
Batting Leadoff   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Batting 2nd   1 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000
Batting 3rd   174 48 7 0 14 31 27 22 74 0 0 3 .276 .367 .557 .924
Batting 4th   141 25 2 1 8 19 22 18 66 1 0 2 .177 .278 .376 .654
Batting 5th   1 0 0 0 0 0 0 0 1 0 0 0 .000 .000 .000 .000
Low Leverage   111 25 2 0 8 12 18 18 46 0 0 4 .225 .353 .459 .813
Medium Leverage   127 30 2 1 12 25 22 16 60 1 0 1 .236 .324 .551 .875
High Leverage   78 17 4 0 2 13 9 6 34 0 0 0 .218 .274 .346 .620
INTERNATIONAL LEAGUE 2034 BATTING STATS
Batting G AB H 2B 3B HR RBI R BB K AVG OBP SLG OPS WOBA ISO wRC+
Overall 5 21 4 1 0 2 4 5 2 8 .190 .250 .524 .774 .312 .333 69
Batting GS PA HP IW CI GDP SH SF TB EBH SB CS SB% RC RC/27 WAR  
Overall 5 24 0 0 0 0 0 1 11 3 0 0 0.0 3.0 4.51 .0  
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
Versus Left   8 2 1 0 1 3 3 1 3 1 0 0 .250 .300 .750 1.050
Versus Right   13 2 0 0 1 1 2 1 5 0 0 0 .154 .214 .385 .599
Batting   AB H 2B 3B HR RBI R BB K SF SH HP AVG OBP SLG OPS
August   21 4 1 0 2 4 5 2 8 1 0 0 .190 .250 .524 .774
2 Years Ago   19 1 1 0 0 1 2 3 10 0 0 0 .053 .182 .105 .287
Career   455 98 18 1 35 84 88 97 219 1 0 26 .215 .382 .490 .872
Home   16 3 1 0 1 2 4 2 5 1 0 0 .188 .263 .438 .701
Road   5 1 0 0 1 2 1 0 3 0 0 0 .200 .200 .800 1.000
Grass   21 4 1 0 2 4 5 2 8 1 0 0 .190 .250 .524 .774
Day   5 1 0 0 1 2 1 0 3 0 0 0 .200 .200 .800 1.000
Night   16 3 1 0 1 2 4 2 5 1 0 0 .188 .263 .438 .701
As Starter   21 4 1 0 2 4 5 2 8 1 0 0 .190 .250 .524 .774
CAREER BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2031 Chicago - MLB 23 127 464 101 21 2 18 66 57 54 8 1 193 0 1 .218 .309 .388 .697 95 95 0.1
2032 Chicago - MLB 24 99 354 82 12 2 12 51 44 33 7 2 155 0 5 .232 .308 .379 .687 89 90 -0.2
2033 Chicago - MLB 25 114 399 90 16 2 21 58 51 57 8 1 172 1 1 .226 .333 .434 .767 112 112 1.5
2034 Chicago - MLB 26 87 318 73 9 1 22 50 49 40 5 1 141 1 1 .230 .324 .472 .796 117 113 1.3
Total MLB 427 1535 346 58 7 73 225 201 184 28 5 661 2 8 .225 .318 .415 .733 103 102 2.7
CAREER MINOR LEAGUE BATTING STATS
Year/Team/League Age G AB H 2B 3B HR RBI R BB HP SF K SB CS AVG OBP SLG OPS OPS+ wRC+ WAR
2026 Total - 18 21 85 49 17 1 13 42 52 15 5 0 10 7 3 .576 .657 1.259 1.916 100 100 4.2
2026 Chicago A (ACL) - R 18 55 169 29 7 0 3 20 17 30 5 1 106 0 0 .172 .312 .266 .578 45 43 -0.8
2027 Chicago A (ACL) - R 19 54 115 20 4 0 4 16 15 29 8 0 62 0 0 .174 .375 .313 .688 65 76 -0.3
2028 Chicago A (DSL) - R 20 38 123 27 8 2 2 12 22 35 7 0 72 0 0 .220 .418 .366 .784 109 119 0.7
2028 Chicago A (ACL) - R 20 11 29 7 1 0 3 4 8 13 1 0 16 0 0 .241 .488 .586 1.075 143 148 0.4
2028 Total - R 20 49 152 34 9 2 5 16 30 48 8 0 88 0 0 .224 .433 .408 .841 116 125 1.1
2028 Kannapolis - A 20 41 100 21 3 0 6 14 17 13 6 1 64 0 0 .210 .333 .420 .753 100 99 0.5
2029 Winston-Salem - A+ 21 58 204 56 7 2 13 28 29 37 5 1 92 1 2 .275 .397 .520 .916 115 112 0.8
2029 Birmingham - AA 21 58 222 47 7 2 14 20 25 11 8 0 100 0 0 .212 .274 .450 .724 89 86 0.4
2030 Charlotte - AAA 22 122 415 93 16 1 33 79 81 92 26 0 201 0 0 .224 .396 .506 .902 128 130 3.3
2032 Charlotte - AAA 24 5 19 1 1 0 0 1 2 3 0 0 10 0 0 .053 .182 .105 .287 -27 -37 -0.3
2034 Charlotte - AAA 26 5 21 4 1 0 2 4 5 2 0 1 8 0 0 .190 .250 .524 .774 87 69 0.0
Total IL 132 455 98 18 1 35 84 88 97 26 1 219 0 0 .215 .382 .490 .872 120 121
Total SL 58 222 47 7 2 14 20 25 11 8 0 100 0 0 .212 .274 .450 .724 89 86
Total SAL 58 204 56 7 2 13 28 29 37 5 1 92 1 2 .275 .397 .520 .916 115 112
Total CAR 41 100 21 3 0 6 14 17 13 6 1 64 0 0 .210 .333 .420 .753 100 99
Total ACL 120 313 56 12 0 10 40 40 72 14 1 184 0 0 .179 .355 .313 .668 63 67
Total DSL 38 123 27 8 2 2 12 22 35 7 0 72 0 0 .220 .418 .366 .784 109 119
CAREER FIELDING STATS
Year/Team/League POS G GS PO A DP TC E PCT INN RNG ZR EFF PB RSTA RTO RTO%
2031 Chicago - MLB P 27 27 9 15 3 24 0 1.000 172.0 1.26 -0.2 .938
2031 Chicago - MLB 1B 8 8 64 0 6 64 0 1.000 73.0 7.89 -0.1 1.010
2031 Chicago - MLB LF 1 1 2 0 0 2 0 1.000 9.0 2.00 -0.0 .967
2031 Chicago - MLB RF 25 24 36 0 0 36 0 1.000 216.0 1.50 -2.5 .867
2032 Chicago - MLB P 25 25 3 6 0 9 0 1.000 136.0 0.60 +0.7 .993
2032 Chicago - MLB 1B 1 0 1 0 0 1 0 1.000 2.0 4.50 0.0 .000
2032 Chicago - MLB LF 5 4 7 1 0 8 0 1.000 36.0 2.00 +0.4 1.131
2032 Chicago - MLB CF 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2032 Chicago - MLB RF 91 89 149 9 0 167 9 .946 816.2 1.74 -4.9 .962
2033 Chicago - MLB P 27 27 7 8 0 16 1 .938 141.1 0.96 +1.7 1.020
2033 Chicago - MLB LF 3 2 1 0 0 1 0 1.000 23.0 0.39 -0.0 .962
2033 Chicago - MLB CF 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2033 Chicago - MLB RF 109 108 190 9 0 206 7 .966 956.0 1.87 -5.2 .968
2034 Chicago - MLB P 22 22 5 4 0 10 1 .900 115.1 0.70 +0.7 1.370
2034 Charlotte - AAA P 1 1 0 0 0 0 0 .000 7.0 0.00 0.0 .000
2034 Chicago - MLB 1B 2 0 2 2 1 4 0 1.000 2.0 18.00 +0.0 1.025
2034 Charlotte - AAA LF 5 5 11 0 0 12 1 .917 44.0 2.25 +0.5 1.116
2034 Chicago - MLB CF 0 0 0 0 0 0 0 .000 0.0 0.00 0.0 .000
2034 Chicago - MLB RF 86 84 137 11 0 150 2 .987 751.1 1.77 -4.8 .972
TOTAL P 102 102 24 33 3 59 2 .966 571.2 0.90 +2.9 1.002
TOTAL 1B 11 8 67 2 7 69 0 1.000 77.0 8.06 -0.1 1.013
TOTAL LF 14 12 21 1 0 23 1 .957 112.0 1.77 +0.9 1.097
TOTAL RF 311 305 512 29 0 559 18 .968 2740.0 1.78 -17.3 .960
PLAYER HISTORY
05/05/2026 Drafted in the 2026 first-year player draft (Round 1, Pick 1, 1st overall pick) by the Chicago White Sox, out of high school Madison (Madison; Jackson, TN).
05/14/2026 Signed a minor league contract with the Chicago White Sox organization with a signing bonus of $5,000,000.
07/03/2026 Named the #16 prospect in the MLB
08/28/2026 Injured (flu),day-to-day for 3 days.
01/01/2027 OSA scouting updated ratings (potential): Contact: 35 (80); Power: 25 (70); Eye: 25 (65).
03/11/2027 Injured (fractured foot),out for 3 weeks.
04/01/2027 Named the #7 prospect in the MLB
07/02/2027 Named the #9 prospect in the MLB
07/11/2027 Was selected to the 2027 Major League Baseball All-Star Futures Game.
01/01/2028 OSA scouting updated ratings (potential): Contact: 35 (80); Power: 25 (65); Eye: 25 (60).
03/30/2028 Named the #9 prospect in the MLB
05/23/2028 Injured (biceps tendinitis),out for 2 weeks.
06/27/2028 Injured (mild calf strain),day-to-day for 1 day.
07/09/2028 Was selected to the 2028 Major League Baseball All-Star Futures Game.
11/04/2028 Named the #1 prospect in the MLB
01/01/2029 OSA scouting updated ratings (potential): Stuff: 40 (50); Movement: 45 (55); Control: 30 (50).
01/01/2029 OSA scouting updated ratings (potential): Stuff: 40 (50); Movement: 45 (55); Control: 30 (50).
03/02/2029 Successfully completed training to improve his secondary pitch at the Chicago White Sox development complex.
03/29/2029 Named the #1 prospect in the MLB
07/15/2029 Was selected to the 2029 Major League Baseball All-Star Futures Game.
01/01/2030 OSA scouting updated ratings (potential): Contact: 45 (60); Power: 45 (75); Eye: 45 (65).
03/01/2030 Outstandingly completed training to improve his plate discipline at the Chicago White Sox development complex.
04/04/2030 Named the #2 prospect in the MLB
04/04/2030 Unsuccessfully completed training to improve his defense at left field at the Chicago White Sox development complex.
06/27/2030 Injured (hand soreness),day-to-day for one week.
07/21/2030 Was selected to the 2030 Major League Baseball All-Star Futures Game.
01/01/2031 OSA scouting updated ratings (potential): Contact: 45 (55); Power: 60 (75); Eye: 65 (70).
03/12/2031 Injured (hamstring tightness),day-to-day for 2 days.
03/23/2031 Unsuccessfully completed training to improve his plate discipline at the Chicago White Sox development complex.
04/03/2031 Named the #3 prospect in the MLB
04/21/2031 Injured (mild calf strain),day-to-day for one week.
04/23/2031 Injured (bruised foot),day-to-day for 1-2 weeks.
06/29/2031 Injured (wrist soreness),day-to-day for one week.
11/30/2031 Received a 1-year contract through automatic renewal worth a total of $720,000.
01/01/2032 OSA scouting updated ratings (potential): Contact: 45 (50); Power: 60 (70); Eye: 60 (70).
02/27/2032 Unsuccessfully completed training to improve his pitch control at the Chicago White Sox development complex.
04/01/2032 Successfully completed training to improve his defense at left field at the Chicago White Sox development complex.
08/10/2032 Injured (elbow strain),out for 4 weeks.
11/25/2032 Received a 1-year contract through automatic renewal worth a total of $720,000.
01/01/2033 OSA scouting updated ratings (potential): Contact: 45 (50); Power: 55 (65); Eye: 60 (70).
02/25/2033 Unsuccessfully completed training to improve his pitch control at the Chicago White Sox development complex.
06/05/2033 Injured (finger blister),day-to-day for 1 day.
06/09/2033 Injured (latissimus dorsi (back) strain),out for one week.
07/17/2033 Injured (strained back),day-to-day for one week.
07/24/2033 Injured (oblique strain),out for one week.
11/25/2033 Received a 1-year contract through arbitration worth a total of $4,516,000.
01/01/2034 OSA scouting updated ratings (potential): Contact: 45 (50); Power: 65 (70); Eye: 65 (70).
02/16/2034 Unsuccessfully completed training to improve his pitch control at the Chicago White Sox development complex.
03/22/2034 Unsuccessfully completed training to improve his outfield defense at the Chicago White Sox development complex.
04/23/2034 Injured (mild oblique strain),day-to-day for 1 day.
06/29/2034 Injured (elbow strain),out for 7 weeks.
11/25/2034 Received a 1-year contract through arbitration worth a total of $7,687,500.
LEADERBOARD APPEARANCES
Year K Rank
2031 193 3
2033 172 9
Year BB Rank
2031 73 5
2033 81 2
Year ERA Rank
2031 3.14 9
Year BABIP Rank
2031 .241 1
Year H/9 Rank
2031 7.17 4
Year CG Rank
2031 1 7
2033 1 10
2034 1 3
Year CGP Rank
2031 .037 6
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