Heat G Jimmy Butler set for MRI on ailing knee
(Photo credit: Bill Streicher-USA TODAY Sports) Miami guard Jimmy Butler hurt his right knee on Wednesday in the Heat's defeat against the Philadelphia 76ers, leaving his availability for the Friday play-in finale against the Chicago Bulls in doubt. ESPN and The Athletic reported that Butler might have injured his medial collateral ligament. Butler acknowledged after Miami's 105-104 loss that he was headed for an MRI ex