"The sense I get talking to people with the team is that McCarthy, with plenty of arm strength, is working on his touch. Most everything is a fastball right now. He did throw a nice fade ball that was nearly a touchdown. The Vikings have seen glimpses but are trying to sustain momentum."

Tyler Forness analyzes J.J. McCarthy's training camp with the Vikings. He explores the benefits of hard practices and the challenges McCarthy faces from Brian Flores's defense.