Brandon Marshall says he's changed his tune ... the ex-NFL star is now admitting to TMZ Sports he actually thinks the Dallas Cowboys will make a run to the Super Bowl this year!!!
We got the former Giants wideout at Catch in L.A. earlier this week with his "I AM ATHLETE" co-host Channing Crowder ... and the guy couldn't help but gush about Dallas despite his past feelings on the team.
"The last two months," Marshall said, "I've shifted. I think they're a true contender.