Strong safety Tony Peters and wide receiver Charlie Brown missed practice today because of mild hamstring strains, but head trainer Bubba Tyer says both are expected to be ready for Friday night's game with New England at RFK Stadium.

Tyer said Peters, thrust into a starting role because of Ken Coffey's knee injury, probably will practice Thursday at Redskin Park.

He said Brown, who injured the muscle in his left leg last week and missed the game with the Los Angeles Raiders, was held out of practice as a precaution but is "okay."

Brown strained his left hamstring July 29 and missed several days of practice.

Coach Joe Gibbs said Art Monk and Calvin Muhammad would be the starting wide receivers if the game were today. "It depends on who's healthy," Gibbs said. "I've got to wait and take a poll."

Gibbs was asked if he has had enough time to get ready for the season, which is a little more than two weeks away: "As a coach, I'd always say I need more time. I'd take three months. We'll play (in Carlisle) 'til 1989" . . . The afternoon practice ended with two variations of the Riggo Drill. The first was the Rogers Drill: George Rogers came in for two carries, while John Riggins had five. The second twist was a flea-flicker play that officially ended training camp. Joe Theismann took the snap and handed off to Riggins, who pitched it back to Theismann. Then Theismann cranked up and threw long to Monk, who beat everyone for an easy catch.