Day four of Vikings camp saw the public be welcomed onto the facilities grounds where they got to see J.J. McCarthy shine.

F or the first time this year, Vikings fans filled the bleachers at TCO Performance Center on Saturday afternoon. Those who braved the heat and came out to watch their favorite team practice were treated to a show by the 22-year-old quarterback who holds so much of the franchise's future on his shoulders.

Here are more takeaways from Day 4 of training camp: Fittingly, McCarthy flashed his ability with layered throws early in practice on Saturday afternoon at TCO Performance Center. There was a well-placed ball to Jalen Nailor on the sideline, for example, as well as a pinpoint pass to T.J. Hockenson over the middle.