​Tempers boiled over during the New York Giants’ joint practice with the Miami Dolphins on Thursday, producing multiple brawls and punches as the session grew increasingly physical in the heat.The most notable fracas erupted when Giants wide receiver Calvin Austin III took exception to a late hit from a Dolphins defensive back near the sideline. A scrum quickly formed, drawing in quarterback Jameis Winston, who absorbed a hard shot and appeared to throw a punch of his own that decked an opponent.HUGE brawl just broke out at joint practice between the Giants and Dolphins — and Jameis Winston was right at the center of it.A skirmish broke out, and Winston ran in and just decked a Dolphins player😂That sparked a much larger brawl pic.twitter.com/aGNmhcbccP— Anthony Rivardo (@Anthony_Rivardo) August 20, 2026The melee expanded as Giants defensive players sprinted over from the adjacent field.Videos show a prolonged pile of players pushing and shoving before coaches restored order. Staff members held back quarterback Jaxson Dart to keep him clear of the action.Jarrod Gray is a dawg pic.twitter.com/ofxXaqg2IO— Giants Nation Show (@GiantsNationPod) August 20, 2026Giants Dolphins fight pic.twitter.com/aiQ31xEZ2K— Giants Nation Show (@GiantsNationPod) August 20, 2026Additional participants in the skirmish included Giants offensive lineman J.C. Davis and Dolphins players Keith Cooper Jr., Ronnie Harrison Jr., and Zeek Biggers.Earlier, edge rusher Kayvon Thibodeaux was involved in a separate dust-up after driving a Dolphins offensive lineman to the ground. That incident stayed contained. The chippy tone had already been set during pass-rush drills when second-year edge rusher Abdul Carter exchanged words with Dolphins left tackle Patrick Paul and threw a punch at the helmeted tackle, drawing a flag.Dolphins offensive lineman Austin Jackson was later ejected from practice amid the escalating tensions.Joint practices often test competitive edges, and Thursday’s session delivered several clear reminders of that intensity.This article originally appeared on Giants Wire: Jameis Winston in middle of brawl as Giants-Dolphins practice turns violent