Dave Portnoy says the scheduled fight between Patrick Mahomes Sr. and John Rocker is now off ... and he's alleging Brittany Mahomes' meddling is a big reason why.

According to Barstool Sports CEO Dave Portnoy, the event was canceled after the Chiefs QB and his wife, Brittany Mahomes, pulled the plug on it and threatened to cut off the elder Mahomes if he went through with it:

Pat Mahomes Sr. and fellow former MLB pitcher John Rocker were supposed to square off in a celebrity boxing match later this year, but that fight is no

Barstool Sports Founder Dave Portnoy revealed Brittany Mahomes helped cancel th fight between Patrick Mahomes Sr. and John Rocker.

Those hoping to see Patrick Mahomes Sr. and John Rocker go head-to-head, prepare to be disappointed - the fight has officially been canceled, and Barstool Sports founder Dave Portnoy claims Brittany Mahomes is partially to blame.