McGovern had to leave practice early Saturday due to what appeared to be a right leg injury, Sal Capaccio of WGR Sports Radio 550 Buffalo reports.
Johnson left practice early Saturday due to an apparent right knee injury, Matt Parrino of NYup.com reports.
Campbell did not participate in Saturday's training camp practice due to a hamstring injury, Tim McManus of ESPN.com reports.
Covey (hamstring) did not participate in Saturday's training camp practice, Tim McManus of ESPN.com reports.
Lemon (hamstring) isn't practicing Friday, Dave Zangaro of NBC Sports Philadelphia reports.
Smith (hamstring) isn't practicing Friday, Dave Zangaro of NBC Sports Philadelphia reports.
The Bills placed Flannigan-Fowles (undisclosed) on injured reserve Thursday.
Gardner-Johnson (calf) was a full participant in Thursday's training camp session, Alaina Getzenberg of ESPN.com reports.
VanSumeren (knee) participated in Buffalo's training camp Wednesday, Matt Parrino of Syracuse.com reports.
Roberts (calf) was a limited participant in Philadelphia's practice Wednesday, Brooks Kubena of The Athletic reports.
