BASEBALL
National League
HOUSTON ASTROS—Signed RHP Oscar Villarreal to a two-year contract.
BASKETBALL
National Basketball Association
SAN ANTONIO SPURS—Signed G Keith Langford. Waived G Darius Washington.
NBA Development League
AUSTIN TOROS—Acquired F-C Kris Lang and F Justin Reed from NBADL player pool.
BAKERSFIELD JAM—Announced Jim Harrick, coach, will step down, effective Dec. 30, due to personal reasons and Sean Rooks will serve as interim coach.
FOOTBALL
National Football League
NFL—Fined official Jim Quirk one game check ($8,150) for inappropriate physical contact with players, including Green Bay Packers LB Nick Barnett during a Dec. 23 game. Fined Houston DT Travis Johnson $5,000 for a late hit on Indianapolis TE Bryan Fletcher during a Dec. 23 game.
JACKSONVILLE JAGUARS—Placed WR John Broussard on injured reserve. Signed WR Chad Owens from the practice squad.
SAN FRANCISCO 49ERS—Signed QB Drew Olson from the practice squad. Waived WR LeRon McCoy.
HOCKEY
National Hockey League
ATLANTA THRASHERS—Recalled LW Colin Stuart from Chicago (AHL).
COLORADO AVALANCHE—Reassigned F T.J. Hensick to Lake Erie (AHL).
DALLAS STARS—Signed Dave Tippett, coach, to a contract extension through the 2008-09 season.
LOS ANGELES KINGS—Recalled D Jon Klemm from Manchester (AHL). Assigned F John Zeiler to Manchester.
NEW YORK ISLANDERS—Signed RW Kyle Okposo to a three-year contract.
NEW YORK RANGERS—Reassigned C Bruce Graham to Hartford (AHL).
OTTAWA SENATORS—Assigned C Cody Bass to Binghamton (AHL).
PHILADELPHIA FLYERS—Recalled F Stefan Ruzicka from Philadelphia (AHL).
SAN JOSE SHARKS—Reassigned F Devin Setoguchi to Worcester (AHL).
TAMPA BAY LIGHTNING—Placed G Marc Denis on waivers.
WASHINGTON CAPITALS—Recalled G Frederic Cassivi from Hershey (AHL).
American Hockey League
BRIDGEPORT SOUND TIGERS—Recalled G Mike Mole from Utah (ECHL).
HARTFORD WOLF PACK—Assigned F Ryan Murphy to Charlotte (ECHL).
MANITOBA MOOSE—Signed F Chris Blight and F Mathieu Melanson.
ECHL
ELMIRA JACKALS—Signed D Trevor Wolfe.
READING ROYALS—Loaned F Chris Blight to Manitoba (AHL).
COLLEGE
MICHIGAN—Announced junior G Jerret Smith has been dismissed from the men's basketball team for not meeting the expectations for a student-athlete.
NORTH DAKOTA—Announced the resignation of Dale Lennon, football coach.
SOUTHERN ILLINOIS—Named Dale Lennon, football coach.