PITTSBURGH PIRATES–Optioned LHP Andy Oliver and C Tony Sanchez to Indianapolis (PCL).
LOS ANGELES CLIPPERS–Signed F DaJuan Summers to a 10-day contract.
NEW YORK KNICKS–Signed F Kenyon Martin for the remainder of the season.
WASHINGTON MYSTICS–Named Eric Thibault assistant coach.
ARIZONA CARDINALS–Released QB Kevin Kolb. Signed DE Matt Shaughnessy.
CHICAGO BEARS–Agreed to terms with CB Zack Bowman on a one-year contract.
INDIANAPOLIS COLTS–Released S Tom Zbikowski.
JACKSONVILLE JAGUARS–Signed CB Alan Ball, RB Justin Forsett and DT Roy Miller.
KANSAS CITY CHIEFS–Signed OL Geoff Schwartz and CB Sean Smith.
MIAMI DOLPHINS–Signed TE Dustin Keller and WR Brandon Gibson to one-year contracts.
MINNESOTA VIKINGS–Signed QB Matt Cassel.
NEW ENGLAND PATRIOTS–Signed WR Donald Jones.
NEW YORK GIANTS–Re-signed LB Keith Rivers.
NEW YORK JETS–Signed RB Mike Goodson and FB Lex Hilliard.
OAKLAND RAIDERS–Signed LB Nick Roach.
PHILADELPHIA EAGLES–Acquired WR Arrelious Benn and a 2013 seventh-round pick from Tampa Bay for a 2013 sixth-round choice and a conditional 2014 draft pick.
SAN DIEGO CHARGERS–Agreed to terms with RB Danny Woodhead on a two-year contract.
WASHINGTON REDSKINS–Re-signed LB Bryan Kehl.
ANAHEIM DUCKS–Acquired C David Steckel from Toronto for RW Ryan Lasch and a 2014 seventh-round draft pick. Reassigned F Patrick Maroon to Norfolk (AHL).
BUFFALO SABRES–Assigned C Mikhail Grigorenko to Quebec (QMJHL).
COLUMBUS BLUE JACKETS–Activated D John Moore off injured reserve. Assigned D Cody Goloubef to Springfield (AHL). Recalled F Sean Collins from Springfield.
MONTREAL CANADIENS–Signed C David Desharnais to a four-year contract extension. Assigned F Petteri Nokelainen to Hamilton (AHL). Recalled F Mike Blunden from Hamilton.
NEW YORK ISLANDERS–Agreed to terms with F Colin McDonald on a two-year contract extension, through the 2014-15 season.
OTTAWA SENATORS–Signed D Michael Sdao to a one-year entry-level contract.
ST. LOUIS BLUES–Assigned D Jani Hakanpaa to Peoria (AHL).
AHL–Suspended Abbotsford RW Mike Testwuide three games for a charging incident in a March 13 game at Texas. Suspended Abbotsford RW Akim Aliu one game for his actions in a March 14 game at Houston.
HAMILTON BULLDOGS–Signed D Peter Merth to a professional tryout contract.
IDAHO STEELHEADS–Announced D Jace Coyle was returned to the team by Texas (AHL) and D Matt Case was returned to the team by Manchester (AHL). Announced G Tyler Beskorowany was called up by Texas. Released D William Lacasse.
READING ROYALS–Signed F Robbie Bourdon to an amateur tryout agreement. Announced F Kirk MacDonald was returned to the team by Houston (AHL). Announced F .J. Syner was recalled to Hershey (AHL).
BUFFALO–Fired men’s basketball coach Reggie Witherspoon.
HUNTINGTON–Named Mike Turk athletic director.
SOUTH ALABAMA–Fired women’s basketball coach Rick Pietri.