being in boot camp. day after day footballers are forced. into college to be they have to wear the same jerseys. wore their being put into business suits and told what to say and how to behave. to choose can give them identity and distinguish them from their boot camp buddies. they are a means of self-expression. also that can give self-esteem which is beneficial for performance. players don't just get tattooed some even tattoo their teammates and their fans like austrian christopher can. then again look at footballers from other areas no 970 world champions