Vikings Name Sam Darnold as Starting QB on Unofficial Depth Chart

Rookie J.J. McCarthy and veteran Nick Mullens listed as co-backups ahead of preseason opener.

Sam Darnold takes the top spot after a summer of first-team reps.
J.J. McCarthy, the team's first-round pick, shares the backup role with Nick Mullens.
Head coach Kevin O'Connell sees McCarthy as the quarterback of the future.
Darnold joined the Vikings on a one-year, $10 million deal to replace Kirk Cousins.
The Vikings' decision raises questions about McCarthy's readiness and future role.