Ex-NFL player Mitch Petrus -- who won a Super Bowl with the Giants in 2012 -- tragically died of a heat stroke on Thursday. He was 32 years old.
Petrus had complained about feeling ill on Thursday after spending all day outside working at his family's shop ... and was taken to a local hospital, according to the Arkansas Democrat Gazette.
Officials say he died at 10:45 PM after suffering a heat stroke.
Petrus was a standout guard with the Arkansas Razorbacks ... and was drafted by the Giants in the 2010 NFL Draft.