McCarthy has impressed, Brian Flores' defense looks sharp and there are roster battles aplenty as the Vikings prepare to put pads on Monday.

As the Minnesota Vikings launched into training camp this week, most eyes turned to quarterback JJ McCarthy and his highly anticipated on-field return.

Though he has spent countless hours watching film and studying the playbook so he can think the position at a high level, after missing all of last season while he recovered from a torn meniscus, McCarthy has also worked tirelessly on his mechanics so he can actually play the position at a high level.