Monday's sports transactions

BASEBALL

American League

BOSTON RED SOX — Placed OF Mike Cameron on the 15-day DL. Recalled OF Daniel Nava from Pawtucket (IL).

TAMPA BAY RAYS — Recalled RHP Jeremy Hellickson from Durham (IL). Placed RHP Andy Sonnanstine on the 15-day DL.

National League

ATLANTA BRAVES — Placed 2B Martin Prado on the 15-day DL, retroactive to July 31. Recalled SS Diory Hernandez from Gwinnett (IL).

CHICAGO CUBS — Selected the contracts of RHP Casey Coleman and RHP Thomas Diamond from Iowa (PCL). Placed RHP Carlos Silva on the 15-day DL.

CINCINNATI REDS — Selected the contract of RHP Russ Springer from Louisville (IL).

MILWAUKEE BREWERS — Agreed to terms with OF Corey Hart on a three-year contract extension through 2013.

ST. LOUIS CARDINALS — Agreed to terms with LHP Nate Robertson on a minor league contract and assigned him to Memphis (PCL).

WASHINGTON NATIONALS — Recalled OF Justin Maxwell from Syracuse (IL). Transferred RHP Tyler Walker to the 60-day DL.

Eastern League

READING PHILLIES — Announced RHP John Ennis has been released. Announced the promotions of INF Keoni DeRenne from Lakewood (SAL) and RHP Christopher Kissock from Clearwater (FSL). Assigned RHP B.J. Rosenberg to Clearwater (FSL).

American Association

GRAND PRAIRIE AIRHOGS — Traded C Ben Petralli to Normal (Frontier) for future considerations.

LINCOLN SALTDOGS — Signed RHP Angel Castro.

Can-Am League

BROCKTON ROX — Released OF Clyde Williams.

NEW JERSEY JACKALS — Released LHP Rusty Tucker.

QUEBEC CAPITALES — Signed C Pierre LaForest.

Golden League

ORANGE COUNTY FLYERS — Sent RHP Mike Koons to Victoria to complete an earlier trade.

United League