New York Yankees 2015 Gray #42 Jackie Robinson/Joe Girardi game worn jersey. Once a year, Major League Baseball honors Jackie Robinson by having players, managers, and coaches all wear Robinson's famous #42. Thus, Yankee manager Joe Girardi wore his to honor the iconic Robinson. MLB Hologram #HZ754055. Tagged on front tail "Size 48." Also tagged on front tail "New York Yankees 0000005551." Also tagged on front tail "Majestic 28 48 2015," with hologram.