Scott Frost loves what I call 'back mo' triple option, where you MOtion the slot back into the backfield to create the 2 back set. The slot can become either the dive back or pitch back, tendency proof. Here's Mariota and Oregon in 2014 running it. #TBT #spreadoffense pic.twitter.com/1LlxtnBVST

— SpreadOffense.com (@SpreadOffense) December 7, 2017