Tuesday’s Sports Transactions

By The Associated Press

BASEBALL

COMMISSIONER’S 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.

American League

BOSTON RED SOX—Sent RHP John Lackey to Portland (EL) for a rehab assignment.

DETROIT TIGERS—Agreed to terms with RHP Jose Valverde on a one-year contract. Optioned RHP Brayan Villarreal to Toledo (IL). Placed RHP Octavio Dotel on the 15-day DL, retroactive to April 20. Recalled RHP Bruce Rondon from Toledo.

HOUSTON ASTROS—Optioned LHP Brett Oberholtzer to Oklahoma City (PCL). Recalled RHP Jose Cisnero from Oklahoma City.

OAKLAND ATHLETICS—Transferred 2B Scott Sizemore from the 15-day to the 60-day DL. Optioned OF Michael Taylor to Sacramento (PCL).

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.

National League

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).

BASKETBALL

National Basketball Association

CHARLOTTE BOBCATS—Fired coach Mike Dunlap.

FOOTBALL

National Football League

CINCINNATI BENGALS—Signed LB James Harrison.

DENVER BRONCOS—Signed P Britton Colquitt to a one-year contract.