Melky Cabrera wore number 39 in 2005. He then wore number 28 from 2006-2008. In his final season with the Yankees he wore his good friend Bobby Abreu's number 53. Bobby Abreu was let go after the 2008 season.
In the 2007 season, Ladell Betts wore #46 for the Redskins.
So Taguchi in the 2008 season and Mitch Williams in the 1993 season.
Prior to the 2007 season, #4 was worn by Bobby Higginson during the 2005 season.
Carlos Gomez played one season with the Mets (2007) and wore #27.
Willie Reid wore number 15 for the Steelers in 2007.
Well, Kobe Bryant wore #8 until the 2006, 2007 season, and I think Jamario Moon
Melky wore number 39 in 2005, then he wore number 28 from 2006-2008. Then in his last season with the Yankees he wore number 53. Melky was then traded in the off season to the Atlanta Braves for Javier Vazquez.
Barry Bonds wore number 7 for the Pittsburgh Pirates in 1986, then later in the season switched to number 24. He played for the Pirates from 1986-1992. He wore number 25with the San Francisco Giants from 1993-2007.
Perry Carter wore number 20 Nobody wore #20 for the Raiders in the 1998 season. Perry Carter wore #20 in the 1996 and 1997 season.
No player for the Detroit Tigers wore #42 during the 2007 season. Major League Baseball retired the #42 in 1997. Currently, Mariano Rivera is the last player using the number.
There were no players on the 2007 Steelers that wore the number 14. Currently, Limas Sweed wears number 14.