Only Mariano Rivera is the only person utilizing that number.
Drew stubs
David Wright,
alex rodriguez
Nobody baseball retired it.
number 23
I only know of one: Lou Whitaker
the only one i know is Lou Gerhig
13
There were many players on the Yankees that didn't wear the #2. Click on the link below to see the players who did wear it.
josh hamilton, and Eric hinske.
4
it was Jackie Robinson day