The last two single digit numbers that are not retired on the Yankees is the #2 and the #6.
Yes, The New York Yankees retired number 3 in honor of Babe Ruth in 1948.
In 1948, the Yankees retired #3 in honor of Babe Ruth.
Mickey Mantle had his #7 retired by the Yankees in 1969.
Lou Gehrig was the first Yankee to have his number retired. The #4 was retired by the Yankees in 1939.
Uniform number 37 was retired in 1970 by the New York Yankees, in honor of Casey Stengel.
Yogi Berra wore uniform number 8. number 8 was retired by the New York Yankees for both Berra, and Dickey.
In 1979, the Yankees retired the number 15 in honor of their late captain Thurman Munson.
Casey Stengel wore uniform number 37 as a manager for the New York Yankees, His number was retired in 1970.
The top two are the Boston Celtica and NY Yankees: The Celtics retires a total of 21 retired numbers for 22 people -- two players wore 18, and it ras retired for both of them. There are 16 former Yankees with their uniform numbers retired. While Jackie Robinson's #42 was retired from baseball entirely in '97, players already wearing 42 were allowed to keep it. NYY pitcher Mariano Rivera is the last active player still wearing 42.
The New York Yankees have NOT retired every number but, 1, 3, 4, 5, 7, 8, 9, 10, 15, 16, 23, 32, 37, 42*, 44, and 49. *Number 42 was retired by Major League baseball in honor of Jackie Robinson but, you could be sure that the Yankees will retire number 42 in honor of Mariano Rivera when the time comes.
his # is already retired because 42 is retired major league baseball wide.