July 31, 20164:44 PM PT5:44 PM MT6:44 PM CT7:44 PM ET23:44 GMT7:44 AM 北京时间4:44 PM MST6:44 PM EST6:44 PM CT3:44 UAE (+1)19:44 ET22:44 - Chargers coach Mike McCoy says Johnson needs surgery for his injured right knee. Analysis: McCoy said Monday that the team won't know the severity of the injury until after the surgery, which will be in the next few days. Johnson was hurt during practice on Sunday. Johnson was expected to serve as the Chargers' No. 3 receiver this season after having 45 receptions for 497 yards and three touchdowns in 10 games last season.