The ball deflected and hit her lower jaw , just under her facemask .
For back - catcher Erin Finnerty , this issue became all too real during tryouts when she was concussed by a foul ball .
The ball deflected and hit Erin Finnerty 's lower jaw , just under her facemask .
For back - catcher Erin Finnerty , this issue became all too real during tryouts when she was concussed by a foul ball .