Rocker and Mahomes Sr were members of rival teams in the 1999 and 2000 seasons - with Rocker on the Braves and Mahomes Sr on the Mets.
Mahomes Sr (seen with son Patrick Mahomes (R)) is set to fight Rocker in a boxing match.
Ex-MLB pitchers John Rocker (L) and Pat Mahomes Sr (R) were seen in a confrontation.
Pat Mahomes Sr and John Rocker are set to officially face off in the ring, Dave Portnoy has confirmed.
In a video which went viral Tuesday night and appears to have been taken sometime during Super Bowl week, Mahomes Sr, 54, and Rocker, 50, were seen confronting each other in the street.
