The A’s announced that Lawrence Butler underwent surgery to repair the patellar tendon in his right knee. The outfielder also received a platelet-rich plasma injection to address patellar tendonitis ...

Imagine if you can get your $100 million athlete back before the end of the season,” said Dr. Paul Liu, executive chairman of Pax Therapeutics.

Red Sox first baseman Triston Casas has a ruptured left patellar tendon that requires season-ending surgery, chief baseball officer Craig Breslow said Saturday. “Unfortunately this is a serious one,” ...

The New York Giants have taken a significant step in the rehabilitation of star wide receiver Malik Nabers following the ACL ...

The A’s announced on Friday afternoon that young outfielder Lawrence Butler had undergone right patellar knee surgery, which was deemed a success: A’s fans will remember Fowler, one of the return ...