NORTH AMERICAN LEAGUE
YUMA SCORPIONS-Signed INF Chris Falls. Released INF Brian Rios.
LOS ANGELES LAKERS-Named Chuck Person and Quin Snyder assistant coaches.
U.S. ANTI-DOPING AGENCY-Suspended American cyclist Lisban Quintero two years after testing positive for a banned substance during the Wilmington (Del.) Grand Prix on May 22.
NATIONAL HOCKEY LEAGUE
BOSTON BRUINS-Signed F Benoit Pouliot to a one-year contract.
CALGARY FLAMES-Signed D Chris Butler to a two-year contract.
COLUMBUS BLUE JACKETS-Signed D James Wisniewski to a six-year contract, D Dalton Prout to a three-year contract, C Andrew Joudrey to a two-year contract, and C Nicholas Drazenovic and D Aaron Johnson to one-year contracts. Agreed to terms with G Mark Dekanich and G Curtis Sanford on one-year contracts. Bought out the last two years of the contract of D Mike Commodore.