San Francisco 49ers’ Brandon Aiyuk and Fred Warner come to blows at practice, as pair exchange punches TWICE before coach Kyle Shanahan tells them to knock it off
- Brandon Aiyuk and Fred Warner threw punches at each other on Tuesday
- Aiyuk previously called 49ers teammate Warner ‘annoying’ and ‘irritating’
- But Warner said he ‘chose him out’ to get the best of Aiyuk ahead of new season
San Francisco 49ers receiver Brandon Aiyuk and linebacker Fred Warner got into it on Tuesday, as the pair exchanged punches twice over the objections of head coach Kyle Shanahan.