With training camp set to get underway later this month, Vikings quarterback J.J. McCarthy and receiver Justin Jefferson are continuing to build a rapport together after McCarthy's rookie season was wiped out due to a torn meniscus.

As J.J. McCarthy prepares for his first training camp with the Vikings, national critics are questioning his arm — but Justin Jefferson and Harrison Smith aren’t buying it. In fact, Jefferson says the rookie QB throws too hard.

Minnesota Vikings star receiver Justin Jefferson didn't get much time to develop chemistry with quarterback J.J. McCarthy before a torn meniscus forced him to miss his entire rookie season, but he still feels they're on the right track.