http://www.foxsports.com/soccer/story/usmnt-fabian-johnson-out-several-weeks-with-calf-injury-081715 In case some did not hear he tore a calf muscle against Dortmund. I am not sure how long he will be out but I worry about the Mexico game in particular if he is not match fit. Calf injuries, like most muscle injuries to the legs, can really slow down fitness levels until completely healed.