Football became a secondary concern for the Chargers on Saturday when an ambulance shuttled Eddie Royal off the practice field to a nearby hospital. Their primary focus was Royal's health. On Sunday Royal signaled it appropriate to begin thinking football. The Chargers wide receiver was released from the hospital a source said and expressed optimism on Twitter reporting improvement after suffering a bruised lung and concussion in training camp. Royal experienced shortness of breath and was seen coughing up blood after he jumped and caught a Philip Rivers pass and landed hard on his back the sudden stop slamming his helmet against the ground. Teammates sent supportive text messages to Royal and visited him in the hospital. Friends family and fans also offered their well wishes. "Thank you for all of the love and concern" Royal posted before 8 a.m. "Doing better and anxious to get back out there as soon as possible!" The Chargers have yet to release a timetable for Royal's recovery but it may take weeks said Dr. Clark Fuller director of thoracic surgery at Saint John's Health Center in Santa Monica.