Giancarlo Stanton’s already lost 2026 season just got worse. The New York Yankees designated hitter suffered a new left calf strain while running the bases during a rehab session this week, manager Aaron Boone announced Saturday, adding a second soft-tissue injury on top of the right calf strain that has sidelined him since late April. With roughly 33 games left on the schedule, Boone conceded that a return before the year ends is no longer a given.

Stanton, 36, hasn’t played since April 24, when he strained his right calf running the bases against the Houston Astros. He was placed on the injured list days later and then suffered a setback in June when the same calf flared up again during his rehab work. After months of treatment, including a PRP injection, Stanton had finally progressed to baserunning drills and live batting practice, appearing close to rejoining the lineup as a part-time DH against left-handed pitching. Then he fell while running earlier this week, straining the opposite calf.

Boone: “Everything’s On the Table”

Boone called the new injury a “moderate grade” strain and did not rule out the possibility that Stanton’s season is finished. “Unfortunately, he strained his other calf. He was running a couple days ago, had fallen, and the other calf is strained,” Boone said. “It’s a moderate grade. What that means moving forward, we’re not ruling anything out. He’ll obviously continue to work to try to get it right and hopefully be available, but obviously we’re at a point in the calendar where it gets challenging.” Boone added that “everything’s on the table” for how the Yankees handle Stanton’s recovery down the stretch.

The manager also spoke to the emotional toll on his slugger. “Obviously I’m bummed for him,” Boone said. “He’s been working his tail off every day here trying to get this thing right. I think you all know how badly he wants to be on that field contributing to a championship, so obviously that’s disappointing.” Before the initial injury, Stanton had appeared in 24 games this season, batting .256 with a .724 OPS, 3 home runs and 14 RBI. Lower-body soft-tissue injuries have now limited him to 606 of the Yankees’ 1,160 regular-season games since 2019, and the latest setback likely ends any realistic shot at reaching 500 career home runs this year — he sits at 456, still the active MLB leader.

What It Means for New York’s Stretch Run

The silver lining for the Yankees is that they haven’t needed Stanton to stay afloat. New York sits at 73-55, second in the AL East, 3.0 games behind the division-leading Tampa Bay Rays but sitting comfortably in the American League Wild Card picture and riding a five-game winning streak that continued Saturday against the Blue Jays at Yankee Stadium. Fans tracking New York’s odds to close out the AL East or make a run in October can find the latest lines and shifts on MLB odds as the stretch run heats up. Stanton’s absence has also coincided with Aaron Judge working his way back from a rib stress fracture, leaving the middle of the Yankees’ order thinner than the front office would like heading into the final six weeks.

Financially, the situation adds intrigue to Stanton’s future in the Bronx. He has one guaranteed year left on his contract beyond 2026, owed $25 million in 2027, though the Yankees’ actual liability is limited to $15 million with the Miami Marlins covering the remaining $10 million as part of the original trade obligations, plus a $10 million buyout in 2028. A lost 2026 season, layered on top of years of injury-shortened production, only sharpens questions about whether New York keeps him on the roster past next year. For now, the Yankees will simply monitor his rehab and hope the “everything’s on the table” approach eventually produces a healthy calf — and a healthy Stanton — before the games that matter most in October.