The number 91 is the highest uniform number currently being used. It is worn by Yankee pitcher Alfredo Aceves. The highest number all-time is number 99. That number was used by two Yankees, Charlie Keller (1952) and Brian Bruney (2009).
Lou Piniella wore uniform number 14 with the New York Yankees from 1974 - 1984.
Currently, Alfredo Aceves wears #91. Charlie Keller wore #99 in 1952 for the Yankees.
Josh Towers, and Cody Ransom both wore uniform number 12 for the 2009 New York Yankees.
McCarthy never wore a uniform with a number.
Casey Stengel wore uniform number 37 as a manager for the New York Yankees, His number was retired in 1970.
Mike Gallego number 2Mike Gallego wore uniform number 2 for the New York Yankees from 1992 - 1994
Alex Rodriguez number 13Alex Rodriguez wore uniform number 13 for the 2009 New York Yankees.
Yogi Berra wore uniform number 8. number 8 was retired by the New York Yankees for both Berra, and Dickey.
Mike StanleyCatcher Mike Stanley wore uniform number 20 for the 1992 New York Yankees.
Uniform number 37 was retired in 1970 by the New York Yankees, in honor of Casey Stengel.
Tony Fernandez wore uniform number 6 for the 1995 New York Yankees.
Tom Tresh Uniform Number 15Tom Tresh wore uniform number 15 for the New York Yankees from 1961 -1969.