Christian Pulisic injury: Chelsea coach Graham Potter says USMNT star could miss 'weeks' with knee issue | CBS Sports Headlines Christian Pulisic injury: Chelsea coach Graham Potter says USMNT star could miss 'weeks' with knee issue The American came off in the midweek loss to Manchester City with a knee … Continue reading Christian Pulisic injury: Chelsea coach Graham Potter says USMNT star could miss 'weeks' with knee issue