Entering his third season, J.J. McCarthy is entering a crossroads with the Minnesota Vikings. Stuck in a training camp battle with Kyler Murray, McCarthy needs to show significant improvement to hold onto his starting job. Vikings fans have been extremely vocal about the quarterback battle this offseason. Minnesota Vikings fans still aren’t over J.J. McCarthy’s flop as a starting QBWhen any young quarterback enters this situation, the first question is where things went wrong. Even if McCarthy beats out Murray, he’ll still feel the wrath of the aggressive side of Vikings fans, who will call for his veteran counterpart at the first sign of struggles.