This article was originally published on www.si.com/nfl/vikings as Vikings training camp recap, Day 9: J.J. McCarthy shines again, punch thrown.

J.J. McCarthy has been struggling badly attempting to run the Minnesota Vikings' offense this offseason in training camp.

If there is anyone inside the Minnesota Vikings organization with a license to speak freely about J.J. McCarthy, it's Justin Jefferson. The team's star receiver spent the offseason working with his new quarterback,