May 7: Boyd has now undergone his surgery, and Counsell told the team’s beat that it proved to be a relatively minor meniscus repair ( via Marquee’s Taylor McGregor ). They’re hopeful the left-hander can return in around six weeks.

A major 10-year clinical trial is turning one of the world’s most common knee surgeries on its head. Researchers found that trimming a damaged meniscus—a procedure long believed to relieve pain—offers no real benefit over placebo surgery.

A common knee operation meant to erase the nagging pain of a torn meniscus has just failed its longest and toughest test. After a decade of tracking, researchers found that patients who went under the knife were no better off than those who only thought they had.