American League

BALTIMORE ORIOLES—Placed SS Freddie Bynum on the 15-day DL. Recalled SS Luis Hernandez from Norfolk (IL).

CHICAGO WHITE SOX—Agreed to terms with LHP Mark Buehrle on a four-year contract extension through 2011.

MINNESOTA TWINS—Optioned LHP Carmen Cali to Rochester (IL).

OAKLAND ATHLETICS—Activated OF Bobby Kielty from the 15-day DL. Designated OF Dee Brown for assignment.

TEXAS RANGERS—Optioned RHP Robinson Tejeda to Oklahoma (PCL). Recalled RHP Wes Littleton from Oklahoma.

TORONTO BLUE JAYS—Optioned C/INF Curtis Thigpen to Syracuse (IL). Agreed to terms with RHP Trystan Magnuson, SS Justin Jackson, RHP Alan Farina, RHP Robert Leffler and RHP Kenny Rodriguez. Assigned Rodriguez to Dunedin (FSL).

National League

CINCINNATI REDS—Activated RHP Jared Burton from the 15-day DL. Placed INF Juan Castro on the 15-day DL, retroactive to June 29. Optioned RHP Marcus McBeth and RHP Homer Bailey to Louisville (IL). Designated RHP Ricky Stone for assignment. Recalled RHP Kirk Saarloos, INF Jeff Keppinger and INF Pedro Lopez from Louisville.

LOS ANGELES DODGERS—Activated INF Ramon Martinez from the 15-day DL. Optioned RHP D.J. Houlton to Las Vegas (PCL).

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