1. A player's age is calculated by subtracting his birth year from the season year. 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/
   

Jim St. Vrain of the 1902 Chicago Orphans threw left-handed, was debuting in the majors, played on a losing team, played in West Side Park II, and was born in Missouri.

• achievement score (-0.6 see References)
• assists (25)
• complete games (10)
• double plays (3)
• games finished (1)
• games played (12)
• games started (11)
• innings pitched (95.0)
• putouts (3)
• saves (0)
• shutouts (1)
• strikeouts (51)
• strikeouts per nine innings (4.8)
• winning percentage (40.0%)
• wins (4)
• balks (0)
• earned run average (2.08)
• earned runs (22)
• errors (3)
• hit by pitch (5)
• hits (88)
• hits per nine innings (8.3)
• homers given up (0)
• homers per nine innings (0)
• losses (6)
• runs allowed (36)
• walks (25)
• walks per nine innings (2.4)
• wild pitches (3)
• age (19 yrs)
• batters faced (0)
• height (5'9")
• innings pitched per game (7.9)
• weight (175 lbs)

Sources