Warriors F Jimmy Butler III undergoes MRI on injured knee

Golden State Warriors forward Jimmy Butler III underwent an MRI after injuring his right knee on Monday.

"We're all really concerned," Warriors coach Steve Kerr said after his team beat the Miami Heat 135-112 in San Francisco. "We'll know more after the MRI, obviously. We don't know anything at this point.

"Everybody is subdued because of the injury, waiting, waiting to hear the news."

Butler had a team-best 17 points when he wrenched his right knee going after the ball under...