Chiefs safety Dan Sorensen tore the lateral meniscus and suffered damage to the MCL in his left knee during a special-teams drill at training camp this week.
Marcus Martin, who was competing for one of the Cowboys' backup interior line spots, needs surgery for a torn ligament in his toe, sources told ESPN.
The preseason opener showed a glimpse of what's possible with John Ross and other young Bengals receivers.
A transformation of body and mind has the 2016 first-round pick confident he can avoid the bust label and break through in his third season.
Saturday's preseason opener will give the Chargers a longer look at which quarterback will back up Philip Rivers.
Jerick McKinnon and Kyle Juszczyk didn't know each other. But Juszczyk's random recruiting text message sent the free agent McKinnon to the Niners.