COMMISSIONERS OFFICE – Suspended N.Y. Mets RHP Christian Montgomery 50 games for a second violation of the Minor League Drug Prevention and Treatment Program for a drug of abuse.
BOSTON RED SOX – Sent RHP John Lackey to Portland (EL) for a rehab assignment.
DETROIT TIGERS – Placed RHP Octavio Dotel on the 15-day DL, retroactive to April 20. Recalled RHP Bruce Rondon from Toledo (IL).
HOUSTON ASTROS – Optioned LHP Brett Oberholtzer to Oklahoma City (PCL). Recalled RHP Jose Cisnero from Oklahoma City.
SEATTLE MARINERS – Placed OF Franklin Gutierrez on the 15-day DL. Recalled OF Carlos Peguero from Tacoma (PCL).
TORONTO BLUE JAYS – Claimed LHP Aaron Laffey off waivers from the N.Y. Mets. Transferred SS Jose Reyes from the 15-day to the 60-day DL.
ATLANTA BRAVES – Reinstated 1B Freddie Freeman from the 15-day DL. Optioned RHP David Carpenter to Gwinnett (IL).
CINCINNATI REDS – Sent LHP Sean Marshall to Louisville (IL) for a rehab assignment.
NEW YORK METS – Optioned OF Kirk Nieuwenhuis to Las Vegas (PCL). Recalled OF Juan Lagares from Las Vegas.
PHILADELPHIA PHILLIES – Sent C Carlos Ruiz to Reading (EL) for a rehab assignment.
PITTSBURGH PIRATES – Reinstated INF Brandon Inge from the 15-day DL. Optioned OF Alex Presley to Indianapolis (IL).
WASHINGTON NATIONALS – Claimed LHP Xavier Cedeno off waivers from Houston and optioned him to Syracuse (IL).
CHARLOTTE BOBCATS – Fired coach Mike Dunlap.
CINCINNATI BENGALS – Signed LB James Harrison.
DENVER BRONCOS – Signed P Britton Colquitt to a one-year contract.
COLUMBUS BLUE JACKETS – Signed LW Matt Calvert to a two-year contract extension through the 2014-15 season.
ECHL – Announced the Trenton Titans have ceased operations. Suspended Idaho D Gord Baldwin two games and fined him an undisclosed amount.
ALABAMA – Announced mens basketball G Trevor Lacey will transfer.
JAMES MADISON – Signed mens basketball coach Matt Brady to a four-year contract.
NEW MEXICO – Agreed to terms with football coach Bob Davie on a two-year contract extension through the 2019 season.
RUTGERS – Named Eddie Jordan mens basketball coach.