With Cook's future in doubt, other running backs step up for Vikings
The Replacements: Vikings Promote From Within to Replace Dalvin Cook - Sports Illustrated
With similar running styles, Vikings' Dalvin Cook, Alexander Mattison sometimes fool announcers - InForum
Dalvin Cook, Alexander Mattison are NFL's 'best one-two combo'
Vikings Form Identity On the Run
Alexander Mattison on replacing Dalvin Cook and the 'unfair' valuation of NFL running backs : r/minnesotavikings
Vikings say keeping Mattison is a 'no-brainer' as Dalvin Cook eyes Jets
Alexander Mattison gets new contract with Minnesota Vikings
Dalvin Cook, Alexander Mattison fantasy football start/sit advice: What to do with the Vikings RBs in Week 8 - DraftKings Network
Why Dalvin Cook May Stay with the Vikings
Minnesota Vikings want to “do right” by Dalvin Cook in potential trade landing spots - Daily Norseman
Mattison ready to step in for Vikings if Cook can't play - The San Diego Union-Tribune
Report: At least one team has proposed a trade for Dalvin Cook - Daily Norseman