Isaac injured his knee during the fourth quarter of Sunday’s 132-116 win over the Sacramento Kings.

Orlando Magic forward Jonathan Isaac exited Sunday’s game against the Sacramento Kings with a left knee injury. The team fears Isaac has a torn ACL, according to ESPN’s Marc J. Spears. He hyperextended the same knee in January.

Isaac finished the game with four points and three rebounds in Orlando’s 132-116 win.

Isaac garnered national media attention on Friday when he stood for the national anthem while his teammates, coaches and opposing players all knelt. Isaac said his decision was a personal one, and that he still supports the Black Lives Matter movement.

“Absolutely I believe that Black lives matter,” Isaac said after the game. “A lot went into my decision…kneeling or wearing a ‘Black Lives Matter’ t-shirt don’t go hand in hand in supporting Black lives. I do believe that Black lives matter, I just