MOVES

Baseball

MLB -- Suspended free-agent P Luther Hackman 50 games for violating baseball's minor league drug program after testing positive for a performance-enhancing substance.

ASTROS -- Agreed to terms with C Brad Ausmus on one-year contract.

BREWERS -- Named Ted Simmons bench coach. Switched bench coach Dale Sveum to third base coach. Declined 2008 contract option on OF Geoff Jenkins.

DODGERS -- Announced resignation of manager Grady Little.

ORIOLES -- Named John Shelby first base coach, Lee MacPhail IV special assistant to the president of baseball operations, and Brian Graham special assignment coach for the minor leagues.

PIRATES -- Purchased contract of P Luis Munoz from Double-A Altoona. Designated P Josh Shortslef for assignment.

REDS -- Named Chris Speier bench coach and Juan Lopez bullpen coach.

YANKEES -- Signed Joe Girardi to three-year contract as manager.

Basketball

CELTICS -- Exercised third-year contract option on G Rajon Rondo.

MAVERICKS -- Waived C D.J. Mbenga. Exercised third-year contract option on G Maurice Ager.

76ERS -- Exercised third-year contract option on F Rodney Carney.

Colleges

INDIANA -- Announced resignation of Rob Senderoff, men's assistant basketball coach.

Football

COWBOYS -- Signed QB Tony Romo to six-year contract.

EAGLES -- Signed LB William Kershaw (Maryland) to practice squad.

49ERS -- Signed LB Hannibal Navies. Waived FB Zak Keasey and signed him to practice squad.

REDSKINS -- Signed CB John Eubanks from practice squad. Placed CB Carlos Rogers on IR.

STEELERS -- Signed CB Anthony Madison. Released CB Ricardo Colclough.

TEXANS -- Signed QB Craig Nall. Released WR Harry Williams.

TITANS -- Placed LS Ken Amato on IR. Signed LS Jeremy Cain from practice squad.