Patriots wide receiver Wes Welker says that he injured two knee ligaments last season, but only one required surgery. Welker injured the ACL and MCL in his left knee, but says that the MCL didn't require surgery. "We just had to wait for it to heal," he said. "We didn't have to do surgery on it." Welker still isn't certain when he'll return to the field, but says the fact he didn't need surgery on the MCL was "great news." "It's hard to put a timetable on anything," Welker said. "And plus, whenever you put a timetable on it, now people expect you. If you're not ready then, they're like, 'What's wrong?' "I'm going to be back when I'm ready, and I'm just going to work as hard as I can to be back as early as I can."