Injury report: Rams WR Van Jefferson (knee) misses practice

Safety Jordan Poyer and receiver Isaiah McKenzie were both full participants for the Buffalo Bills, while wide receiver Van Jefferson of the Los Angeles Rams did not practice, according to the injury report released Tuesday.

The defending Super Bowl champions Rams and visiting Bills open the NFL season on Thursday night.

Poyer missed the entire preseason slate of games after hyperextending his elbow during practice on A