1Receiver Konata Mumpfield made multiple plays. So did running back Jarquez Hunter and other Rams rookies during training camp and a joint practice with the Dallas Cowboys.

A true evaluation about their progress, however, cannot be completed by coach Sean McVay and his staff until the first-year players perform in a live-tackling situation.

The first opportunity for rookies and others to truly demonstrate that they are worthy of regular-season roles comes Saturday when the Rams play the Cowboys in a preseason game at SoFi Stadium.

But the most notable development for the Rams will probably occur hours before kickoff.

Quarterback Matthew Stafford , sidelined during training camp because of an aggravated disc in his back, is scheduled to go through his first significant passing

See Full Page