PFT Draft Prop No. 3: Marcus Mariota’s draft position: 2.5

Leading up to Thursday’s NFL draft, we’ll put on our oddsmaking hats, Ace Rothstein glasses and Terry Benedict suits and set one proposition “bet” per day for PFT Planet to ponder. At the conclusion of the draft, we’ll see how PFT Planet did on the wagers, which are for entertainment purposes only. PFT Draft Prop…