A day after one of the most joyful moments of the Yankees' season, the club found out that its celebratory game winner might have been quite costly.

On the very play on which Didi Gregorius slid headfirst into home to help the Yankees earn a walk-off, playoff-clinching win Saturday night, the shortstop tore cartilage in his right wrist. The injury could sideline him for the remainder of the season.