Willis (concussion) didn't participate in San Francisco's training camp Wednesday, Cam Inman of The San Jose Mercury News reports.
Zakelj (upper body) exited San Francisco's practice Wednesday, Jennifer Lee Chan of NBC Sports Bay Area reports.
The 49ers signed Okoronko on Wednesday, Jeremy Fowler of ESPN reports.
Davis (undisclosed) did not participate at the Patriots' training camp practice Wednesday, Sophie Weller of USA Today reports.
Larison led the second-team offense Wednesday, Andrew Callahan of the Boston Herald reports.
Okuayinonu suffered an apparent ankle injury during the 49ers' training camp practice Wednesday, Matt Barrows of The Athletic reports.
Juszczyk (finger) did not participate in Wednesday's training-camp session, Cam Inman of The San Jose Mercury News reports.
Greenlaw (undisclosed) did not participate in Wednesday's training camp session, Cam Inman of The San Jose Mercury News reports.
Cowing (hip) did not participate in Wednesday's training camp session, Cam Inman of The San Jose Mercury News reports.
Larison led the second-team offense Wednesday, Andrew Callahan of the Boston Herald reports.
