What happened: Chris Foerster said stepping outside practice rules undermines the work after multiple scuffles interrupted Friday's session. Players also met with media following camp.

Why it matters: Foerster is overseeing practices while handling Kyle Shanahan's duties. Keeping padded sessions controlled is part of preparing the roster for the upcoming season.

What to watch: San Francisco holds another open practice Saturday. Its preseason opener is scheduled for Aug. 13.