Chicago Cubs --

Called up outfielder Cleotha (Chico) Walker from Iowa to replace injured pitcher Rick Sutcliffe. Walker, a switch-hitter, is batting .310 with three home runs, 17 runs batted in and 15 stolen bases.California Angels -- Recalled left-handed first baseman Daryl Sconiers from Class AA Midland (Tex.). New York Mets -- RHP Bruce Berenyi, shifted from 21- to 60-day emergency disabled list, will undergo arthroscopic surgery on his right shoulder Wednesday in Columbus, Ga. Berenyi was placed on the disabled list April 24 with tendinitis. Team optioned C Ronn Reynolds to Class AAA Tidewater Tides. Texas Rangers -- Named former major league IF Art Howe as batting instructor. HOCKEY

Steve Shutt -- The highest-scoring left wing in Montreal Canadiens history (408 goals) plans to retire because the Los Angeles Kings, to whom he was traded early this past season, returned his contract to Montreal. FOOTBALL

New York Giants -- Signed TE Don Hasselbeck. In eight NFL seasons, Hasselbeck, 30, has caught 102 passes for 1,471 yards and 17 touchdowns, playing with New England, Los Angeles Raiders and Minnesota.Portland Breakers -- Signed former Minnesota Vikings DE Randy Holloway.Los Angeles Express -- Announced RB Kevin Nelson, team's second-leading rusher this year, will miss rest of year with strained knee ligaments. BASKETBALL

Washington Bullets -- Announced the additions of John Lubetkin and Joe Shenouda to their front office staff. Lubetkin, most recenty executive vice president of the Direct Broadcast Satellite Corp., will be executive director of marketing and development. Shenouda, president of Atlantic Micro Group, will be general sales manager. MISCELLANEOUS

National Sports Festival -- Named regional basketball coaches for 1985 competition: Lou Carnesecca of St. John's (East), Dave Whitney of Alcorn State (South), Larry Brown of Kansas (North) and Tom Davis of Stanford (West). LOCALLY

Maryland football Coach Bobby Ross will be the featured speaker at the Alexandria Sportsman's Club's 30th awards banquet June 1 at the Old Town Ramada Inn. The banquet will honor the top high school athletes and coaches in Alexandria.

The United States Tennis Association will sponsor clinics for mentally disabled athletes at Gallaudet College at 9:30 a.m. June 1 and at Towson State University and the University of Richmond on June 8.