Nick Bosa is officially OFF the market ... the 49ers superstar revealed he's now dating smokin' hot model Jenna Berman -- and, yeah, the couple is SERIOUSLY attractive!!!
The 23-year-old NFL player made the announcement on his IG a few days ago ... showing him cuddling with Berman out on a boat somewhere.
Bosa didn't leave a caption for the pic ... but some of his current and former teammates still weighed in on it -- LOVING the PDA!!
"Ohhh s*** Nick is in love," Bosa's old Ohio State teammate, Dre'mont Jones, said.