Johnny Manziel is convinced Lamar Jackson will win the Heisman Trophy on Monday -- but when we asked if he should take his career to Cleveland ... Johnny turned into Dikembe Mutombo!
The ex-NFL quarterback is back in L.A. after celebrating his 24th bday in Miami this week -- and hit up Catch (the hottest restaurant in town) with a few friends.
We talked about Cam Newton and Lamar ... but when the topic turned to Cleveland, it's clear Manziel wants Lamar to steer clear of the Browns.