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 1887 Philadelphia Athletics threw right-handed, played on a losing team, played in Jefferson Street Grounds, and was born in Maryland.

• achievement score (-0.1 see References)
• assists (14)
• complete games (7)
• double plays (1)
• games finished (0)
• games played (7)
• games started (7)
• innings pitched (58.0)
• putouts (2)
• saves (0)
• shutouts (0)
• strikeouts (9)
• strikeouts per nine innings (1.4)
• wins (3)
• balks (0)
• earned run average (6.67)
• earned runs (43)
• errors (2)
• hit by pitch (3)
• hits (75)
• hits per nine innings (11.6)
• homers given up (4)
• homers per nine innings (.6)
• losses (4)
• runs allowed (64)
• walks (25)
• walks per nine innings (3.9)
• wild pitches (0)
• age (36 yrs)
• batters faced (280)
• height (5'5")
• innings pitched per game (8.3)
• weight (140 lbs)

Sources