HOUSTON ASTROS_Optioned RHP Chia-Jen Lo to Oklahoma City (PCL). Traded OF Mike Kvasnicka to Minnesota for RHP Gonzalo Senudo.

KANSAS CITY ROYALS_Released LHP George Sherrill and OF Xavier Nady from their minor league contracts. Optioned OF David Lough to Omaha (PCL).

TAMPA BAY RAYS_Traded LHP Kyle Lobstein to Detroit for C Curt Casali.

TORONTO BLUE JAYS_Placed 3B Brett Lawrie on the 15-day DL. Optioned C Josh Thole and OF Anthony Gose to Buffalo (IL). Assigned RHP David Bush to their minor league camp.<

MILWAUKEE BREWERS_Agreed to terms with RHP Kyle Lohse on a three-year contract.<

AMARILLO SOX_Signed INF Joe Anthonsen.

LINCOLN SALTDOGS_Signed LHP Nathan Moreau.

ST. PAUL SAINTS_Signed RHP Robert Coe.

SIOUX FALLS PHEASANTS_Traded INF Cesar Nicolas to Southern Maryland to complete an earlier trade.<

LONG ISLAND DUCKS_Signed RHP Leo Rosales, LHP Matt Way and RHP Ian Snell.<

NEW JERSEY JACKALS_Released LHP Dustin Birosak.

ROCKLAND BOULDERS_Signed C Billy Alvino and LHP Rob Savarese.<

EVANSVILLE OTTERS_Signed 1B Eduardo Gonzalez.

FLORENCE FREEDOM_Signed LHP Brent Choban to a contract extension.

JOLIET SLAMMERS_Signed INF Bobby Burk.

SOUTHERN ILLINOIS MINERS_Signed OF Alan Cheatham and INF Jon Eisen.

WINDY CITY THUNDERBOLTS_Signed OF Anthony Renteria.<

CHARLOTTE BOBCATS_Signed G Jannero Pargo to a second 10-day contract.

DALLAS MAVERICKS_Signed G Justin Dentmon to a 10-day contract.

LOS ANGELES CLIPPERS_Signed F DaJuan Summers to a second 10-day contract.<

ATLANTA FALCONS_Announced the retirement of C Todd McClure.

CHICAGO BEARS_Agreed to terms with OT Jonathan Scott on a one-year contract.

CINCINNATI BENGALS_Agreed to terms with CB Adam Jones and WR Brandon Tate.

CLEVELAND BROWNS_Signed DB Kevin Barnes to a one-year contract.

NEW YORK GIANTS_Re-signed OL Kevin Boothe.

TENNESSEE TITANS_Agreed to terms with DE Ropati Pitoitua.<

CAROLINA HURRICANES_Agreed to terms with F Alexander Semin on a five-year contract extension.

DALLAS STARS_Activated D Aaron Rome from injured reserve.

DETROIT RED WINGS_Reassigned C Calle Jarnkrok from Brynas (Sweden) to Grand Rapids (AHL).

NASHVILLE PREDATORS_Reassigned D Ryan Ellis to Milwaukee (AHL). Activated F Patric Hornqvist off injured reserve.

OTTAWA SENATORS_Signed F Buddy Robinson to a three-year entry-level contract.

PITTSBURGH PENGUINS_Acquired D Doug Murray from San Jose for two second-round draft picks.

TAMPA BAY LIGHTNING_Named Jon Cooper coach. Named Rob Zettler coach and Martin Raymond assistant coach for Syracuse (AHL).

TORONTO MAPLE LEAFS_Called up D Jesse Blacker from Toronto (AHL).<

BRIDGEPORT SOUND TIGERS_Released F Sean Wiles from his professional tryout contract.

HAMILTON BULLDOGS_Signed D Matt Grassi to an amateur tryout contract.

PROVIDENCE BRUINS_Announced G Adam Morrison was assigned to the team from Utah (ECHL).

SPRINGFIELD FALCONS_Announced D Austin Madaisky was reassigned to the team from Evansville (ECHL).<

SOUTH CAROLINA STINGRAYS_Signed F Eric Alexander.<

U.S. VOLLEYBALL_Named UCLA men’s volleyball coach John Speraw coach for the U.S. men’s national volleyball team to complete in the 2016 Rio de Janeiro Olympics.

PHILADELPHIA UNION_Reached a mutual contract termination with MF Freddy Adu, who signed with Esporte Clube Bahia (Brazil). Acquired MF Jose Kleberson from Esporte Clube Bahia.<

COLONIAL ATHLETIC ASSOCIATION_Announced George Mason will leave the conference for the Atlantic 10, effective July 1.

BAKER_Announced the retirement of wrestling coach Jimmy May.

HOFSTRA_Named Jonathan Dorin men and women’s assistant tennis coach and John Jordan volunteer assistant golf coach.

JACKSON STATE_Named Wayne Brent men’s basketball coach.

MINNESOTA_Fired men’s basketball coach Tubby Smith.

SEATTLE_Named Nikola Petrovic as associate head volleyball coach and Dan Ahiers assistant volleyball coach.

SOUTH ALABAMA_Named Matthew Graves men’s basketball coach.

XAVIER_Named Greg Christopher director of athletics.