An MLB umpire went down with an apparent head injury during Saturday's MLB game between the Arizona Diamondbacks and the ...

Pena is hitting .407 with two home runs, three steals and a 16.7 percent strikeout rate in seven games since getting activated off the concussion injured list for Single-A Carolina on May 28.

Concussions and repetitive brain injuries are relatively new topics in the public realm, primarily brought to light after a ...