Important point (thanks @davieskyle and others) - he's had 18 calls challenged ...

that's middle of the pack

On what's challenged, he's usually wrong ... but relative to other umps, not challenged a lot.

Mark Ripperger had 22 overturns on 34 challenges (both mosts) https://t.co/53lGw2IunP

— Mark Simon (@MarkASimonSays) October 9, 2018