Mike Schmit or Chuck Klein was the first person and last person to wear #13
My left nut BeaaCH
Gerald Henderson wore number 12
There were many famous basketball players who wore number 12. Some of those players were Toby Bailey, Jim Barnes, John Barnhill, Drew Barry, and Josh Powell.
QB Charley Johnson in 1970 and 1971.
Carlton Fisk wore #72 for the White Sox during his time there between 1981-1993. Fisk signed with the White Sox in 1981 after having been with the Red Sox since 1969. His number with the Red Sox was 27 but that number was taken so he reversed the digits and wore 72. The White Sox retired the number in 1997.
Robbie Alomar (probably the best second baseman ever)
Cody Ransom wore number 12 for the Yankees in 2009.
Tony wore #12 in his second stint with the Phillies between 1974-1976. At the time, #8 was being worn by catcher Bob Boone.
In 1996, Wade Boggs wore #12 for the Yankees.
Josh Towers, and Cody Ransom both wore uniform number 12 for the 2009 New York Yankees.