Hockey transactions

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.

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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).