The Rackie Jobinson's Jersey shares exactly the same appearance as the Baseball uniform. It provides +4 to Strength, Perception, Charisma and Agility, thus it has the highest amount of attributes, alongside the detective outfit, Famine's vestment, Pestilence's plating, War's armor,and Death's jacket, beating out Piper's outfit and the Minuteman uniform.
It is given as a reward for the quest Here's to You, Rackie Jobinson.
If the disassembly of the outfit is successful, junk is rewarded:
Rackie Jobinson's Jersey (1)
Free space in the storage room
Yao guai hide (3)
Tri-fold flag (1)
Behind the scenes
The jersey and its number is a reference to Jackie Robinson.