Red Sox third base coach Chad Epperson made an unprecedented move during a win over the Orioles, and MLB rules say it was technically legal.
https://www.foxnews.com/outkick-sports/red-sox-third-base-coach-something-never-seen-baseball-leaving-fans-confused
https://www.foxnews.com/outkick-sports/red-sox-third-base-coach-something-never-seen-baseball-leaving-fans-confused