Denzel Perryman, right, is going to be back in a Chargers uniform next season. The Chargers announced Tuesday that they’ve signed Denzel Perryman, who was a second-round pick of the franchise in 2015. Perryman will bring a hard-hitting edge to the Chargers, who are looking to become a more physical team under new head coach Jim Harbaugh. During his introductory …