HP Umpire Kerwin Danley exited 4/27's Colorado-San Francisco game after a foul ball head injury. Report: https://www.closecallsports.com/2021/04/injury-scout-kerwin-danley-knocked-out.html Sam Hilliard fouled a 0-1 sinker from Jose Alvarez into Danley's hockey-style mask, the latest in a lengthy string of head trauma for the veteran MLB crew chief.