BASEBALL (NL) * League -- Suspended Rob Dibble (pitcher) for three games for throwing at Houston's Eric Yelding. Suspended Yelding for one game suspension for charging the mound in a game April 11.

* San Francisco Giants -- Optioned Eric Gunderson (pitcher) to Phoenix of the Pacific Coast League. Activated Kelly Downs (pitcher) from the 15-day disabled list.

HOCKEY (NHL) * Montreal Canadiens -- Called up Sean Hill (defenseman) from Fredericton of the AHL.

COLLEGES

* Colorado State -- Announced Tim Jankovich (men's associate basketball coach) and Fred Litzenberger (men's volunteer basketball coach) will not be retained.

* Jacksonville -- Named Matt Kilcullen men's basketball coach.