Plateaphobia 

A fear of crossing home plate

Plateaphobia is the inability to score a run in a baseball game for an extended period of time.

Plateaphobia by Coach Slappy August 17, 2011

Platophobia 

Fear of being hit in the head with an airborne plate (particularly when thrown by a spouse or close relative).

"Oh dear, I am having an odd sense of platophobia right now!"

Platophobia by freezersyeah July 10, 2017