A Roundup Of The Week July 3-9

MILEPOSTS—FIRED: As coach of the Chicago Bulls, DOUG COLLINS, 37. Collins, who replaced Stan Albeck before the '86-87 season, led the Bulls to a three-year regular-season record of 137-109 and to a 13-17 mark in playoff games (page 9).

NAMED: As coach of the New York Knicks, STU JACKSON, 33. Jackson, an assistant under Rick Pitino for the past two years, becomes the youngest coach in the NBA.

As basketball coach at Ohio State, RANDY AYERS, 33, who had been a Buckeye assistant coach for six years. He succeeds Gary Williams, who took over at Maryland in June.

READMITTED: To the Major Indoor Soccer League, beginning with the 1989-90 season, ST. LOUIS. That brings the number of MISL teams to eight.

SUSPENDED: From U.S. Cycling Federation events for six months, pro ROLAND GUNTHER of West Germany and amateur JOHN SEIBERT of Boulder, Colo., after testing positive for banned substances at a USCF event on June 11.