The man who got pummeled by Kourtney Kardashian's ex says he's going to sue Drake and Odell Beckham Jr. ... because he believes they're responsible for the attack.
The victim -- Bennett Sipes -- has lawyered up and they don't just have Kourtney's ex, Younes Bendjima , in their crosshairs. TMZ broke the story ... Younes beat the crap out of Bennett outside Delilah restaurant in WeHo back in March, as Drake, Odell and their posses looked on.