For single seasons, From 1901 to 2008, From Age 37 to 39, Played 50% of games at LF, (requiring OPSp≥120 and At least 100 games), sorted by greatest OPSp

NOTE on creating Positional Leaderboards

Player ages are computed as their age on June 30th

  Cnt Player            **OPS **  G  Year Age Tm  Lg  PA  AB  R   H  2B 3B HR RBI  BB IBB  SO HBP  SH  SF GDP  SB CS   BA   OBP   SLG   OPS  Positions
 ----+-----------------+--------+---+----+---+---+--+---+---+---+---+--+--+--+---+---+---+---+---+---+---+---+---+--+-----+-----+-----+-----+--------- 
    1 Barry Bonds          268   143 2002  37 SFG NL 612 403 117 149 31  2 46 110 198  68  47   9   0   2   4   9  2  .370  .582  .799 1.381 *7/D      
    2 Barry Bonds          263   147 2004  39 SFG NL 617 373 129 135 27  3 45 101 232 120  41   9   0   3   5   6  1  .362  .609  .812 1.421 *7/D      
    3 Ted Williams         233   132 1957  38 BOS AL 546 420  96 163 28  1 38  87 119  33  43   5   0   2  11   0  1  .388  .526  .731 1.257 *7        
    4 Barry Bonds          231   130 2003  38 SFG NL 550 390 111 133 22  1 45  90 148  61  58  10   0   2   7   7  0  .341  .529  .749 1.278 *7/D      
    5 Ted Williams         179   129 1958  39 BOS AL 517 411  81 135 23  2 26  85  98  12  49   4   0   4  19   1  0  .328  .458  .584 1.042 *7        
    6 Hank Aaron           177   115 1973  39 ATL NL 465 392  84 118 12  1 40  96  68  13  51   1   0   4   7   1  1  .301  .402  .643 1.045 *79       
    7 Bob Johnson          174   144 1944  38 BOS AL 626 525 106 170 40  8 17 106  95   0  67   4   2   0  14   2  7  .324  .431  .528  .959 *7        
    8 Ted Williams         172   136 1956  37 BOS AL 503 400  71 138 28  2 24  82 102  11  39   1   0   0  13   0  0  .345  .479  .605 1.084 *7        
    9 Fred Clarke          147   110 1911  38 PIT NL 460 392  73 127 25 13  5  49  53   0  27   2  13   0   0  10  0  .324  .407  .492  .899 *7        
   10 Zack Wheat           142   150 1925  37 BRO NL 670 616 125 221 42 14 14 103  45   0  22   1   8   0   0   3  1  .359  .403  .541  .944 *7        
   11 Moises Alou          138   123 2005  38 SFG NL 490 427  67 137 21  3 19  63  56   1  43   3   0   4  11   5  1  .321  .400  .518  .918 *79/D     
   12 Ken Williams         136   131 1927  37 SLB AL 496 423  70 136 23  6 17  74  57   0  30   1  15   0   0   9  7  .322  .403  .525  .928 *7/8      
   13 Lonnie Smith         134   103 1993  37 TOT ML 284 223  43  62  6  4  8  27  51   2  52   5   3   2   3   9  4  .278  .420  .448  .868 *7/D8     
   14 Moises Alou          131   155 2004  37 CHC NL 675 601 106 176 36  3 39 106  68   2  80   0   0   6  12   3  0  .293  .361  .557  .918 *7/D      
   15 Bob Johnson          127   117 1943  37 WSH AL 505 438  65 116 22  8  7  63  64   0  50   3   0   0  11  11  5  .265  .362  .400  .762 *753      
   16 Ron Gant             125   102 2002  37 SDP NL 353 309  58  81 14  1 18  59  36   1  59   2   1   5   8   4  6  .262  .338  .489  .827 *7/9D8    
   17 Carl Yastrzemski     125   150 1977  37 BOS AL 643 558  99 165 27  3 28 102  73   6  40   1   0  11  10  11  1  .296  .372  .505  .877 *7/D39    
   18 Bob Johnson          125   143 1945  39 BOS AL 593 529  71 148 27  7 12  74  63   0  56   1   0   0  13   5  3  .280  .358  .425  .783 *7/8      
   19 Gene Woodling        123   140 1960  37 BAL AL 529 435  68 123 18  3 11  62  84   7  40   4   3   3   5   3  0  .283  .401  .414  .815 *7/9      

Seasons/Careers found: 19.

 Photos from the George Grantham Bain Collection at the Library of Congress.