ASTROS -- Purchased contract of former Orioles P Travis Driskill from Triple-A Round Rock. Optioned OF Jason Lane to Round Rock.
BRAVES -- Activated SS Edgar Renteria from 15-day DL.
ORIOLES -- Announced manager Dave Trembley will be retained for 2008 with club option for 2009.
RANGERS -- Recalled 3B Travis Metcalf from Triple-A Oklahoma. Optioned P A.J. Murray to Oklahoma.
REDS -- Activated SS Alex Gonzalez from bereavement list. Sent IF Mark Bellhorn outright to Triple-A Louisville.
ROYALS -- Placed P Odalis Perez on 15-day DL. Recalled OF Shane Costa from Triple-A.
TWINS -- Recalled P Julio DePaula from Triple-A Rochester.
BILLS -- Signed DE Al Wallace (Maryland).
BRONCOS -- Signed DT John Browning. Placed LB Warrick Holdman on IR.
FALCONS -- Waived LB Orlando Huff and OT Leander Jordan.
PATRIOTS -- Released DL Kenny Smith and P Tom Malone.
BLUE JACKETS -- Agreed with C Michael Peca on one-year contract.