1. A pitcher's ERA (earned run average) is only counted if he pitched at least 50 innings during the season for the specified team. The raw 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/
   

Henry Gruber of the 1887 Detroit Wolverines threw right-handed, was debuting in the majors, played for the World Series winner, played in Recreation Park, and was born in Connecticut.

• achievement score (.300 see References)
• assists (7)
• complete games (7)
• double plays (0)
• games finished (0)
• games played (7)
• games started (7)
• innings pitched (62.3)
• putouts (0)
• saves (0)
• shutouts (0)
• strikeouts (12)
• strikeouts per nine innings (1.7)
• wins (4)
• balks (0)
• earned run average (2.74)
• earned runs (19)
• errors (1)
• hit by pitch (0)
• hits (63)
• hits per nine innings (9.1)
• homers given up (3)
• homers per nine innings (.4)
• losses (3)
• runs allowed (29)
• walks (21)
• walks per nine innings (3.0)
• wild pitches (1)
• age (24 yrs)
• batters faced (261)
• height (5'9")
• innings pitched per game (8.9)
• weight (155 lbs)

Sources