1. Player heights and weights have a single value for their entire career. The data come from the archive at seanlahman.com. This database is copyright 1996-2014 by Sean Lahman. This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. For details see: http://creativecommons.org/licenses/by-sa/3.0/
   
2. Batting, pitching, fielding, personal, team, and awards data come from the archive at seanlahman.com. This database is copyright 1996-2014 by Sean Lahman. This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. For details see: http://creativecommons.org/licenses/by-sa/3.0/
   

Bobby Mathews of the 1884 Philadelphia Athletics threw right-handed, was a 20-game winner, played on a winning team, played in Jefferson Street Grounds, and was born in Maryland.

• achievement score (2.8 see References)
• assists (78)
• complete games (48)
• double plays (1)
• games finished (0)
• games played (49)
• games started (49)
• innings pitched (430.7)
• putouts (8)
• saves (0)
• shutouts (3)
• strikeouts (286)
• strikeouts per nine innings (6.0)
• winning percentage (62.5%)
• wins (30)
• balks (0)
• earned run average (3.32)
• earned runs (159)
• errors (25)
• hit by pitch (12)
• hits (401)
• hits per nine innings (8.4)
• homers given up (10)
• homers per nine innings (.2)
• losses (18)
• runs allowed (238)
• walks (49)
• walks per nine innings (1.0)
• wild pitches (0)
• age (33 yrs)
• batters faced (1,788)
• height (5'5")
• innings pitched per game (8.8)
• weight (140 lbs)

Sources