FantasySP / NFL / Frank Gore FantasySP / NFL / Frank Gore Copyright 2018 5209759 <![CDATA[Colts | Marlon Mack the early favorite at RB]]> Marlon Mack 'remains the favorite to slide into the starting role' left behind by Frank Gore and 'assume whatever the Colts consider a No. 1 running back in 2018,' according to the Indianapolis Star's Zak Keefer.]]> 5209759 Tue, 08 May 2018 0:24:01 EDT footballguys