Ohio State's Brutus Buckeye trolls Michigan over Twitter promotion

Before #UMSigningDay, try to pin @CoachJim4UM's pen. Tweet screengrab using #PinThePen & be entered to win ... https://t.co/sOinUR8SYj

— Michigan Football (@umichfootball) February 3, 2015

.@umichfootball @CoachJim4UM Probably NOT going to win, am I? ? #GoBucks pic.twitter.com/z4exxHFjP5

— Brutus Buckeye (@Brutus_Buckeye) February 3, 2015