Veterans Brad Dusek, Dave Butz, Ron Saul and Rich Caster apparently will not participate in a three-day Redskin minicamp starting Thursday.

Dusek and Butz are free agents who have not reached agreement on new contracts. General Manager Bobby Beathard said he is not close to signing Dusek, but he thought he had Butz nearly signed "before Dave changed his mind. I thought we had an agreement, but he doesn't."

If either player signs before Thursday, he will practice. Otherwise, under NFL rules, he must be held out.

Beathard said he expects the team's remaining free agents to be signed before Thursday. They include Rickey Claitt, Mike Connell, Peter Cronan, Bob Raba, Karl Lorch and Charlie Weaver. Yesterday, the team announced the signing of receiver Terry Metcalf to a new two-year contract.

Saul, an 11-year offensive guard, was given permission by Coach Joe Gibbs to skip the camp. Saul probably will be asked to retire before the start of summer training camp unless unexpected problems develop along the offensive line. Caster, a 12-year tight end, still is recovering from knee surgery. His status with the club also will be determined after the minicamp, depending on how the team's young tight ends perform this week.

The Redskins, who are holding workouts for rookies and free agents today and Wednesday, also have informed tackle Jerry Scanlan, a starter early in training camp last summer, that he does not figure in the team's plans and will be released.