LOS ANGELES CLIPPERS-Exercised the team option for next season on the contract of coach Vinny Del Negro.
JACKSONVILLE JAGUARS-Signed DE Andre Branch.
PITTSBURGH STEELERS-Signed LB Sean Spence to a four-year contract.
Canadian Football League
EDMONTON ESKIMOS-Signed QB Brandon Summers and DB Pete Ittersagen.
TORONTO ARGONAUTS-Announced the retirement of LB-S Willie Pile.
WINNIPEG BLUE BOMBERS-Signed WR Isaac Anderson and WR Victor James.
National Hockey League
BOSTON BRUINS-Signed G Niklas Svedberg.
CHICAGO BLACKHAWKS-Agreed to terms with F Joakim Nordstrom, D Klas Dahlbeck, G Mac Carruth and G Kent Simpson on three-year contracts.
DETROIT RED WINGS-Signed F Teemu Pulkkinen to a three-year entry-level contract.
NEW YORK ISLANDERS-Agreed to terms with F John Persson on a three-year entry-level contract.
PHOENIX COYOTES-Signed F Phil Lane to a three-year entry-level contract.