The Vikings begin reporting to the first training camp July 24 at the TCO Performance Center in Eagan. The first full-team practice is July 28. Check here for new details on tickets, parking and times. Before then, the Star Tribune will take a look at each position group. Sunday: Running backs. On the 90-man roster: 7 running backs Locks: Dalvin Cook, Latavius Murray On the bubble: C.J.