Movements in the world of hockey Sunday:
National Hockey League
BUFFALO SABRES-Signed Darcy Regier, general manager, to a two-year contract extension, through the 2010-11 season.
OTTAWA SENATORS-Returned C Jim O'Brien to Seattle (WHL).
SAN JOSE SHARKS-Named John Ferguson Jr. director of pro scouting and Dirk Graham, Shin Larsson and Jason Rowe scouts.
TAMPA BAY LIGHTNING-Assigned D Jamie Heward, C Blair Jones, C Chris Lawrence, RW Sean O'Connor, D Andy Rogers and RW Brandon Segal to Norfolk (AHL).