By Matt Hladik NFL free agency is here, and the Jacksonville Jaguars have hit the ground running. Earlier today, it was reported that Jacksonville was signing premier offensive guard Brandon Scherff to a lucrative deal. Next, the Jaguars were said to be signing former Falcons linebacker Foye Oluokun to a three-year deal. Now, NFL Network’s Ian Rapoport and Tom Pelissero are reporting that Jacksonville is going to land wide receiver Christian Kirk, who spent the last few seasons with the Arizona Cardinals. Kirk, a second-round pick in 2018, is coming off a career season. He appeared in all 17 g…