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Roy
Mahaffey		  
Bats: Right
Throws: Right
Height: 6' 0''
Weight: 185
 
Born: February 9, 1903 in Usa, SC, BELTON
 
Awards & Accomplishments
Gold Glove 1937   
All-Star Selections 1937   
Ratings - Pitching     Help
                                                   
  Stuff Control Movement
Year Age Tm Lg Salary Endurance vL vR OA vL vR OA vL vR OA
1930 27 SDP NL $ 2,442,857 86 50 58 54 60 71 66 46 57 52
1931 28 SDP NL $ 3,492,857 9 6 6 6 7 8 8 5 6 5
1932 29 SDP NL $ 7,000,000 9 6 6 6 7 8 7 5 6 5
1933 30 SDP NL $ 7,000,000 9 6 6 6 6 7 7 5 6 6
1934 31 SDP NL $ 7,000,000 9 6 6 6 6 7 7 5 6 6
1935 32 SDP NL $ 7,000,000 9 6 6 6 6 8 7 5 6 6
1936 33 SDP NL $ 7,000,000 9 6 6 6 6 7 7 5 6 6
1937 34 BSN NL $ 7,500,000 9 5 6 6 6 7 7 5 6 5
1938 35 BSN NL $ 7,500,000 9 5 6 6 6 7 7 4 5 5
1939 36 DET AL $ 7,500,000 9 5 6 5 6 7 7 4 5 4
1940 37 SLC NL $ 7,500,000 8 5 6 5 6 7 7 3 4 4
OOTP6 Min Ratings $ 2,442,857 8 5 6 5 6 7 7 3 4 4
OOTP6 Max Ratings $ 7,500,000 86 50 58 54 60 71 66 46 57 52
Ratings - Batting     Help
                                             
  Contact Power Gap Eye Ks
Year Age Tm Lg Salary   vL vR OA vL vR OA vL vR OA vL vR OA vL vR OA
1930 27 SDP NL $ 2,442,857   22 22 22 3 3 3 21 21 21 1 1 1 15 15 15
1931 28 SDP NL $ 3,492,857   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1932 29 SDP NL $ 7,000,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1933 30 SDP NL $ 7,000,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1934 31 SDP NL $ 7,000,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1935 32 SDP NL $ 7,000,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1936 33 SDP NL $ 7,000,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1937 34 BSN NL $ 7,500,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1938 35 BSN NL $ 7,500,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1939 36 DET AL $ 7,500,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
1940 37 SLC NL $ 7,500,000   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
OOTP6 Min Ratings $ 2,442,857   3 3 3 1 1 1 3 3 3 1 1 1 2 2 2
OOTP6 Max Ratings $ 7,500,000   22 22 22 3 3 3 21 21 21 1 1 1 15 15 15
Pitching Stats     Help
Bold lines indicate player won Platinum Arm or Bronze Rookie.
Year Age Tm Lg W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS PWS
1930 27 SDP NL 16 20 .444 44 44 22 4 0 351.7 439 170 20 89 124 4.35 .306 .346 .409 .756 17.9
1931 28 SDP NL 13 22 .371 39 39 23 0 0 308.3 341 160 23 75 92 4.67 .281 .323 .410 .733 13.2
1932 29 SDP NL 15 17 .469 36 36 20 0 0 289.0 353 140 21 70 81 4.36 .301 .340 .421 .761 13.3
1933 30 SDP NL 14 16 .467 39 33 9 0 1 271.7 346 143 20 88 92 4.74 .309 .360 .432 .792 13.1
1934 31 SDP NL 9 7 .563 75 2 0 0 11 95.7 126 61 8 35 23 5.74 .317 .370 .440 .810 5.1
1935 32 SDP NL 10 13 .435 47 17 7 0 5 167.7 195 95 10 70 42 5.10 .290 .361 .400 .761 7.5
1936 33 SDP NL 18 13 .581 34 34 21 2 0 276.0 279 109 19 67 108 3.55 .260 .304 .369 .673 17.8
1937 34 BSN NL 19 16 .543 42 42 21 5 0 324.7 346 153 19 85 132 4.24 .270 .317 .384 .701 20.2
1938 35 BSN NL 12 20 .375 39 39 17 1 0 314.7 337 123 16 83 113 3.52 .274 .319 .372 .691 18.6
1939 36 BSN NL 1 2 .333 3 2 1 0 0 23.3 31 15 2 8 7 5.79 .320 .371 .464 .835 0.2
  DET AL 5 4 .556 17 11 3 2 4 83.0 86 35 5 34 29 3.80 .270 .339 .382 .721 5.7
  TOT   6 6 .500 20 13 4 2 4 106.3 117 50 7 42 36 4.23 .281 .346 .401 .748 5.9
    AAA   3 1 .750 4 4 0 0 0 29.3 29 11 1 10 23 3.38 .261 .322 .387 .710  
1940 37 DET AL 0 0 .000 3 0 0 0 0 3.0 5 3 0 1 2 9.00 .385 .429 .385 .813 0.0
  NYA AL 1 1 .500 12 0 0 0 1 13.7 25 10 0 5 2 6.59 .397 .435 .492 .927 0.0
  TOT   1 1 .500 15 0 0 0 1 16.7 30 13 0 6 4 7.02 .395 .434 .474 .907 0.0
    AAA   1 3 .250 7 7 0 0 0 48.0 58 22 2 15 30 4.13 .294 .344 .391 .735  
11 Years Sim 133 151 .468 430 299 144 14 22 2522.3 2909 1217 163 710 847 4.34 .288 .335 .402 .737 132.6
2 Years AAA 4 4 .500 11 11 0 0 0 77.3 87 33 3 25 53 3.84 .282 .336 .390 .726  
Season Average 12 13 .480 39 27 13 1 2 229.3 264 110 14 64 77 4.34 .288 .335 .402 .737  
Career Highs 19 22 .581 75 44 23 5 11 351.7 439 170 23 89 132 7.02 .395 .434 .474 .907  
Career Pitching Splits     Help
Click on a Category to view yearly stats.
Category W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS
vs RH   1391 575 69 269 515   .271 .308 .374 .682
vs LH   1518 642 94 441 332   .306 .363 .431 .794
Home 61 79 .436 215 146 62 7 6 1261.0 1464 618 76 383 423 4.41 .291 .341 .401 .742
Away 72 72 .500 215 153 82 7 16 1261.3 1445 599 87 327 424 4.27 .286 .330 .403 .733
Mar/Apr 14 25 .359 60 41 21 0 1 356.3 420 191 22 101 110 4.82 .296 .343 .413 .756
May 21 31 .404 70 58 29 1 2 471.0 547 250 33 132 159 4.78 .288 .334 .414 .748
June 25 26 .490 73 51 23 3 7 421.3 501 196 24 133 163 4.19 .295 .346 .396 .742
July 27 20 .574 74 46 22 4 4 397.6 476 183 25 104 120 4.14 .296 .338 .411 .749
August 25 22 .532 76 49 26 2 6 430.6 466 181 34 112 134 3.78 .276 .321 .391 .712
Sep/Oct 21 27 .438 77 54 24 4 2 445.3 499 216 25 128 161 4.37 .282 .331 .390 .720
Batting Stats     Help
Bold lines indicate player won Silver Slugger or Bronze Rookie.
Year Age Tm Lg G AB R H 2B 3B HR RBI SB CS BB SO AVG OBP SLG OPS XR OWS
1930 27 SDP NL 44 120 8 17 2 0 0 9 0 0 3 43 .142 .161 .158 .320 1.4 0.0
1931 28 SDP NL 39 112 9 19 3 0 0 6 0 0 2 36 .170 .183 .196 .379 3.0 0.0
1932 29 SDP NL 36 105 9 15 0 0 0 7 0 0 1 35 .143 .151 .143 .294 -0.1 0.0
1933 30 SDP NL 39 94 7 14 1 0 0 6 0 0 4 31 .149 .182 .160 .341 1.9 0.0
1934 31 SDP NL 75 9 1 2 0 0 0 2 0 0 0 2 .222 .222 .222 .444 0.4 0.0
1935 32 SDP NL 47 49 2 12 2 0 0 6 0 0 3 12 .245 .288 .286 .574 4.2 0.0
1936 33 SDP NL 34 108 8 11 0 0 0 4 0 0 1 45 .102 .109 .102 .211 -2.6 0.0
1937 34 BSN NL 42 113 5 20 2 1 0 6 0 0 1 47 .177 .191 .212 .404 3.4 0.0
1938 35 BSN NL 39 107 4 12 0 0 1 3 0 0 0 40 .112 .112 .140 .252 -1.8 0.0
1939 36 BSN NL 3 9 0 1 0 0 0 1 0 0 0 3 .111 .111 .111 .222 -0.2 0.0
  DET AL 17 29 2 3 0 0 0 2 0 0 1 10 .103 .133 .103 .237 -0.9 0.0
  TOT   20 38 2 4 0 0 0 3 0 0 1 13 .105 .128 .105 .233 -1.1 0.0
1940 37 DET AL 3 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0.0 0.0
  NYA AL 12 3 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.3 0.0
  TOT   15 3 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.3 0.0
11 Years Sim 430 858 55 126 10 1 1 52 0 0 16 304 .147 .163 .164 .327 8.4 0.0
162 Game Average 323 20 47 3 0 0 19 0 0 6 114 .147 .163 .164 .327 3.2  
Career Highs 75 120 9 20 3 1 1 9 0 0 4 47 .245 .288 .286 .574 4.2  
Career Batting Splits     Help
Click on a Category to view yearly stats.
Category G AB R H 2B 3B HR RBI SB CS BB SO AVG OBP SLG OPS XR
vs RH   612 41 89 7 0 1 32 0 0 12 204 .145 .163 .162 .324 0.9
vs LH   246 14 37 3 1 0 20 0 0 4 100 .150 .163 .171 .333 1.0
Home 215 397 20 62 5 0 1 26 0 0 5 147 .156 .166 .176 .343 2.6
Away 215 461 35 64 5 1 0 26 0 0 11 157 .139 .160 .154 .314 -0.7
RISP   230 0 33 3 0 0 49 0 0 5 83 .143 .159 .157 .316 -0.1
Close/Late   59 3 10 0 0 0 4 0 0 0 17 .169 .167 .169 .336 0.3
Mar/Apr 59 114 8 20 1 0 0 4 0 0 3 36 .175 .197 .184 .381 2.2
May 68 166 8 30 4 0 0 16 0 0 3 52 .181 .194 .205 .399 3.8
June 59 144 9 17 1 0 0 8 0 0 4 57 .118 .147 .125 .272 -2.1
July 66 134 9 15 2 0 1 8 0 0 3 52 .112 .129 .149 .279 -1.5
August 59 153 13 28 2 1 0 12 0 0 1 57 .183 .188 .209 .397 3.3
Sep/Oct 77 147 8 16 0 0 0 4 0 0 2 50 .109 .121 .109 .230 -3.9
Fielding Stats     Help
Bold lines indicate player won Gold Glove.
Year Age Tm Lg Pos G GS IP PO A E DP FPct RF    
1930 27 SDP NL P 44 44 351.7 24 78 9 3 .919 2.61    
1931 28 SDP NL P 39 39 308.3 21 81 4 5 .962 2.98    
1932 29 SDP NL P 36 36 289.0 23 66 4 5 .957 2.77    
1933 30 SDP NL P 39 33 271.7 22 74 2 3 .980 3.18    
1934 31 SDP NL P 75 2 95.7 9 22 0 3 1.000 2.92    
1935 32 SDP NL P 47 17 167.7 24 47 1 3 .986 3.81    
1936 33 SDP NL P 34 34 276.0 23 68 2 3 .978 2.97    
1937 34 BSN NL P 42 42 324.7 35 79 4 8 .966 3.16    
1938 35 BSN NL P 39 39 314.7 25 93 8 5 .937 3.38    
1939 36 BSN NL P 3 2 23.3 2 6 0 1 1.000 3.09    
  DET AL P 17 11 83.0 9 22 0 2 1.000 3.36    
  TOT   P 20 13 106.3 11 28 0 3 1.000 3.30    
1940 37 DET AL P 3 0 3.0 0 1 0 0 1.000 3.00    
  NYA AL P 12 0 13.7 0 3 1 1 .750 1.98    
Career Totals   430 299 2522.3 217 640 35 42 .961 3.06    
Career Highs   75 44 351.7 35 93 9 8 1.000 3.81    
Post-Season Pitching Stats     Help
Bold lines indicate player won Post Season MVP Award.
Year Age Tm Lg W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS
1932 29 SDP NL 1 0 1.000 4 2 1 0 0 19.0 22 12 1 4 7 5.68 .286 .321 .390 .711
1933 30 SDP NL 0 0 .000 2 0 0 0 0 1.7 4 5 1 0 2 27.11 .444 .444 .778 1.222
Career Post-Season Pitching 1 0 1.000 6 2 1 0 0 20.7 26 17 2 4 9 7.41 .302 .333 .430 .764
Post-Season Batting Stats     Help
Bold lines indicate player won Post Season MVP Award.
Year Age Tm Lg G AB R H 2B 3B HR RBI SB CS BB SO AVG OBP SLG OPS
1932 29 SDP NL 4 9 1 1 0 0 0 0 0 0 0 3 .111 .111 .111 .222
Career Post-Season Batting 4 9 1 1 0 0 0 0 0 0 0 3 .111 .111 .111 .222
Pitching Leaderboards     Help
Top 10 finishes. Stats are Year-Rank-Value. League leaders are in bold.
Season Rankings are League Based.
ERA
1936-3-3.55
1938-10-3.52
 Wins
1936-9-18
1937-7-19
 Losses
1930-9-20
1931-1-22
1932-4-17
1938-2-20
 Winning Pct
1934-9-.563
1936-9-.581
 Saves
1934-5-11
 Games Pitched
1934-1-75
Games Started
1930-5-44
1937-7-42
 Complete Games
1930-6-22
1931-5-23
1932-6-20
1936-5-21
1937-4-21
1938-10-17
CAR-48-144
 Shutouts
1930-2-4
1936-6-2
1937-2-5
1939-5-2
 Innings Pitched
1930-10-351.7
1937-8-324.7
1938-8-314.7
 Hits Allowed
1930-1-439
1932-10-353
1933-9-346
1937-8-346
1938-6-337
 Homeruns Allowed
1930-9-20
1931-5-23
1932-6-21
1933-9-20
1937-10-19
Strikeouts
1930-10-124
1937-9-132
 Walks per 9IP
1932-8-2.2
 WHiP
1936-5-1.25
 OOBP
1936-5-.304
 OSLG
1936-8-.369
 OOPS
1936-5-.673
 
   Black Ink Test: 1    (Avg Pitcher in HOF ~ 64)
   Gray Ink Test: 63    (Avg Pitcher in HOF ~ 278)
 
Similar Pitchers     What are Similarity Scores?

  1. Cy Blanton (943)
  2. Dan Dugan (939)
  3. Dick Donovan (931)
  4. Dick Ellsworth (928)
  5. Tommy John (927)
  6. Rick Wise (923)
  7. Claude Passeau (923)
  8. Hersh Freeman (921)
  9. Murry Dickson (920)
  10. Joe Heving (918)
Similar Batters     What are Similarity Scores?

  1. Frank Barrett (994)
  2. Ray Prim (992)
  3. Juan Marichal (992)
  4. Bob Rush (991)
  5. Dan Dugan (991)
  6. Joe Krakauskas (990)
  7. Jumbo Elliott (990)
  8. Hugh Mulcahy (988)
  9. Jim Kaat (987)
  10. Cliff Fannin (987)
History
Earned first career win on 4/6/1930
Had first career hit on 4/14/1930, off Pete Donohue (TAM)
1/31/1931: Gets a new one-year contract worth $3,492,857 through salary arbitration
9/16/1931: Signed a contract extension with San Diego, $7,000,000 per year, for 5 years
Injured on 3/19/1936 with a Herniated Disc Back, out for 6 weeks
Signed as a free agent by Boston (N) on 2/16/1937 to a 5-year deal worth $7,500,000 per year
Won Player of the Week award on 6/23/1937, winning 2 games with a 1.00 ERA
Won Pitcher of the Month award on 7/1/1937, going 5-0, 1.79
Was selected to the 1937 Allstar game
Won Gold Glove at Pitcher in 1937
Won Player of the Week award on 6/30/1938, winning 2 games with a 1.72 ERA
Hit first career homerun on 7/14/1938, off Hy Vandenberg (SLC)
Traded from Boston (N) to Detroit on 5/1/1939 (Going to DET: LF Dusty Cooke, P Roy Mahaffey, P Johnny Murphy. Going to BSN: RF Gene Moore, RF Don Ross)
Traded from Detroit to New York (A) on 6/1/1940 (Going to NYA: P Roy Mahaffey, P Mace Brown. Going to DET: P Carl Hubbell, 3B Marty Hopkins)
Traded from New York (A) to St. Louis (C) on 7/31/1940 (Going to SLC: P Roy Mahaffey. Going to NYA: C Norm Schlueter)
Injured on 8/12/1940 with a Tight Shoulder, out for 4 days
 
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