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/
   

Mike Mason of the 1982 Texas Rangers threw left-handed, was debuting in the majors, played on a losing team, attended Oral Roberts University, played in Arlington Stadium, and was born in Minnesota.

• achievement score (-1.0 see References)
• assists (5)
• complete games (0)
• double plays (0)
• games finished (0)
• games played (4)
• games started (4)
• innings pitched (23.0)
• putouts (1)
• saves (0)
• shutouts (0)
• strikeouts (8)
• wins (1)
• balks (0)
• earned runs (13)
• errors (0)
• hit by pitch (0)
• hits (21)
• homers given up (3)
• intentional walks (1)
• losses (2)
• runs allowed (13)
• walks (9)
• wild pitches (1)
• age (24 yrs)
• batters faced (96)
• height (6'2")
• weight (205 lbs)

Sources