The Yankees have retired so many numbers that they're down to just four available for new recruits: 38, 50, 57 and 69. : r/baseball
Yankees to retire Jeter's No. 2, the last single digit
New York Yankees plan night to celebrate legend Derek Jeter, Celebrate the Captain
New York Yankees retire Bernie Williams' No. 51, unveil plaque - ESPN
Yankees honor Rivera in pregame ceremony
NYC - Bronx: Yankee Stadium - Monument Park - Retired Numb…
Yankees (and Metallica) honor retiring Mariano Rivera, Local Sports
A-Rod: 'It bothers me' Yankees haven't retired my number : r/NYYankees
MLB notes: 'Butter' smoothed out Derek Jeter's moves – Boston Herald
Jeter's No. 2 retired; Monument Park plaque unveiled
Yankees honor Rivera during pregame ceremony
Watch New York Yankees Retire Derek Jeter's Number