FEELING STRONG TMZSports.com
Same s***, different day -- that's star boxer David Benavidez's motto heading into his big bout Saturday night ... 'cause the boxer tells us he plans to kick Oleksandr Gvozdyk's ass, just like he did when they sparred a few years back.
Benavidez (28-0) and Gvozdyk (20-1) are one of the two Prime Video PPV main events this weekend at the MGM Grand in Las Vegas ... with the winner taking the WBC interim light heavyweight title.
Benavidez -- who moved up weight classes (to 175 lbs.