Jaxson Dart Injury: Giants QB Exits MNF vs. Rams With Left Knee Scare, Jameis Winston Takes Over

Jaxson Dart’s breakout second season hit a frightening speed bump on Monday night. The New York Giants quarterback left his team’s game against the Los Angeles Rams with a left knee injury on the opening drive at SoFi Stadium, hobbling to the sideline after a violent collision that instantly reignited every fear a franchise can have about its young signal-caller. Dart was ruled questionable to return before eventually heading to the locker room, leaving Jameis Winston to steer the offense in his place.

Dart, the 25th overall pick in the 2025 draft out of Ole Miss, has quickly become the centerpiece of New York’s rebuild. He started 12 games as a rookie in 2025, throwing for 2,272 yards with 15 touchdowns against five interceptions, and he opened his second season by torching the Dallas Cowboys for a career-high 134.2 passer rating, completing 23 of 29 passes for 230 yards and three scores in a 28-20 win. That momentum made Monday’s injury sting even more for a Giants team that arrived at SoFi Stadium 1-0 and riding high.

How the Injury Happened

The play unfolded on third-and-8 during New York’s first possession. Under pressure, Dart was hit by Rams linebacker Byron Young from his right side, sending him into pass rusher Josaiah Stewart, who undercut his legs and drove him hard into the turf as safety Kam Curl broke up the throw. Dart immediately grabbed at his left knee while players from both sidelines took a knee in a moment of visible concern. He eventually rose and walked off under his own power, albeit with a noticeable limp, and made his way to the blue medical tent before disappearing into the locker room. The Giants labeled him questionable to return, and Winston began warming up as the evaluation continued. Dart finished the abbreviated outing 3 of 5 for 20 yards.

Former NFL team physician Dr. David Chao offered an early, cautiously optimistic read on social media, writing that he doubted the injury was an ACL tear but flagged concern for an MCL sprain that could leave Dart in a brace with limited mobility. No official diagnosis had been announced as of Monday night, and the Giants have not provided a firm timetable. Chao’s read echoed the reaction of much of the medical community watching the replay, where Dart’s leg buckled awkwardly but did not show the kind of catastrophic twisting typically associated with a torn ACL. Still, with two defenders converging on the play, doctors following the broadcast stressed that only imaging would settle the question, and the Giants medical staff was expected to have Dart undergo an MRI in the hours and days following the game.

Winston Steps In as Nabers Injury Adds to the Chaos

Winston, an 11-year veteran and the No. 1 overall pick in 2015, entered on New York’s second series after the Rams went three-and-out. He appeared in three games for the Giants in 2025, throwing for 567 yards with two touchdowns and two interceptions, and now finds himself thrust back into significant snaps against a Rams defense trying to bounce back from an 0-1 start. New York bettors keeping tabs on the fallout can check the latest New York sports betting lines as the Giants adjust their offensive approach on the fly. The Giants’ night got tougher just before the end of the first quarter when star wide receiver Malik Nabers also left the game, clutching his right shoulder after failing to bring in a contested pass from Winston while tangled up with Rams cornerback Trent McDuffie. Nabers was initially deemed questionable but returned to action in the second quarter, a positive sign after a scary sequence for New York’s top offensive weapon.

For a Giants team that beat the Cowboys behind Dart’s career-best performance, the sudden uncertainty at quarterback is a gut punch. If Dart’s knee injury sidelines him for any length of time, New York’s offensive identity shifts overnight, leaning on Winston’s veteran experience rather than the dual-threat dynamism that made Dart’s rookie transition so promising. Bettors tracking live NFL odds saw the line move quickly once word of the injuries spread across SoFi Stadium. The Giants will provide more clarity on Dart’s status in the coming days, and the entire NFL world will be watching the MRI results closely given how much the franchise has invested in his development.