Watch highlights from Chargers outside linebacker Khalil Mack's first practice as a Charger as he does drills with Rashawn Slater, Justin Herbert and Derwin James. SUBSCRIBE: youtube.com/chargers?sub_confirmation=1 TICKETS: chargers.com/tickets FOLLOW US Facebook: facebook.com/chargers Instagram: instagram.com/chargers Twitter: twitter.com/chargers Snapchat: chrg.rs/snap #LAChargers #Chargers