 They added a black armband in memory of Ralph Houk after his death on July 21.In the final homestand of the 2013 season, the team wore a patch honoring the retiring Mariano Rivera; and they did likewise for Derek Jeter in the final month of the 2014 season, leading up to his retirement.Beginning in the 2010 season, the MLB logo on the back collar of their jerseys has had gray behind the bat of the MLB logo instead of the usual red, which had been there since 2000, when all Major League teams started wearing the MLB logo on the back collar.