number 21 is dontrell willis
number 21 in the late 40s or early 50s was worn by Barny McCosky i have a score card from those years with his name and number on it from the Detroit Tigers
For the past 25 seasons:
2008: Dontrelle Willis
2006-2007: Sean Casey
2004-2005: Jason Johnson
2003: Craig Paquette
2002: Mitch Meluskey
1999-2000: Gregg Jeffries
1997-1999: Brian Hunter
1996: Ruben Sierra
1993-1995: Mike Moore
1991: Scott Livingstone
1990: Darnell Coles
1984-1989: Willie Hernandez
Number 23 is retired for Willie Horton. It was also worn by Kirk Gibson.
Coach Gene Lamont
Corey Knebel is number 49 on the Detroit Tigers.
he wore 49, the same number he wore in Denver.
David Tate wore the number 49 for the colts through 1994-1997. Then the number was never used again.
Ravel Morrison wore jersey number 49 for mancunian republic in 2010-2011.
Jose Valverde of the Detroit Tigers with 49.
As far as I can determine, Savage wore # 49. I know for certain he wore that number with Philadelphia and Phoenix.
Tony Richardson - Fullback
Scott Fletcher played in 63 games at second base for the Detroit Tigers in 1995, starting in 49 of them. He played for a total of 1323 outs, equivalent to 49 9-inning games. He made 109 putouts, had 161 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had 49 double plays.
Jimmy Norris of New Jersey
Jose Valverde, Detroit Tigers, 2011 = 0 blown saves out of 49 saves total