Bosa reveals game-day superstition he has carried on since rookie season

SANTA CLARA — Nick Bosa recently let a lesser known secret out of the bag - the 49ers star is superstitious. During pregame warmups, the All-Pro pass rusher always wears the same sleeveless undershirt and black shorts. While that combination is not out of the ordinary, what is immediately noticeable is the ragged and tattered condition of the shirt. Clearly the 49ers would supply Bosa with new gear if he desired, but he told NBC Sports Bay Area that he doesn't want to replace the shirt he has worn every game since his debut in 2019. "When you play football you can't help but be superstitious," Bosa said. "I try not to be, but you'll see me knocking on wood every 10 seconds and it's just part of playing this game where everything is so uncertain that you become superstitious." The shirt, that Bosa originally cut the sleeves off of, has a jagged hemline that has seen better days after being worn in 68 regular-season games and an additional 12 postseason contests. The undershirt also is nowhere near its original white color after surviving 3,253 defensive snaps and 44 on special teams. "That's a lot of stinky football player," Bosa said with a laugh. Bosa's practice undershirt,...