The Baltimore Orioles announced yesterday that retired pitcher Jim Palmer would be honored in special ceremonies on Sept. 1, and his uniform No. 22 would be retired.

Palmer, who spent more than 18 years with the Orioles from 1964 until he retired last season, won 268 games. He was an eight-time 20-game winner and earned three Cy Young awards.

Only three other Baltimore uniform numbers have been retired: Earl Weaver, No. 4; Brooks Robinson, No. 5, and Frank Robinson, No. 20. Weaver, who returned as manager, and Frank Robinson, back with the team as a coach, are currently wearing their numbers, however . . .

Catcher Gary Carter of the New York Mets had his injured right knee examined by a team physician and it was decided an operation was not necessary. Carter had to drop out of the All-Star Game . . .

Steve Howe has cleared waivers, "been given his unconditional release and is now free to sign with any other club," the Los Angeles Dodgers announced. The Dodgers placed the left-handed relief pitcher on the restricted list after he missed the June 30 game against the Atlanta Braves. Howe, 27, sat out last year after two suspensions for his widely publicized struggle with cocaine . . .

Minnesota Twins first baseman Kent Hrbek has undergone treatment for a shoulder sprain and may be placed on the disabled list after the All-Star break . . .

The New York Yankees are close to completing a deal with the St. Louis Cardinals for reliever Neil Allen and are negotiating with the Texas Rangers for third baseman Buddy Bell, according to published reports.

According to the New York Daily News, the Yankees have reached tentative agreement with Cardinals' attorney Lou Sussman on the deal for Allen, which needs only Commissioner Peter Ueberroth's approval for completion. "We're trying to make a deal (on Bell)," said Texas General Manager Tom Grieve, who according to a report in the New York Post sat with Yankees owner George Steinbrenner Sunday when the teams played in New York.