The 24-year-old played in 63 games as a rookie with the Sabres last season, finishing with 24 points (2-22).
The native of LeRoy, Sask., was Buffalo's 7th-round choice (202nd overall) in the 2003 NHL draft.
Paetsch played junior hockey with Moose Jaw of the WHL, and won back-to-back silver medals for Canada at the 2002 and 2003 world junior championships.
The Edmonton Oilers are off to the third round of the Stanley Cup playoffs after winning the Battle of Alberta in five games.
The Calgary Flames and Edmonton Oilers combined for four goals in just 1:11 of play on Thursday, good to beat the previous playoff record for four fastest goals scored set by Philadelphia and Toronto in 1976 by 22 seconds.
The Los Angeles Kings exceeded expectations in 2021-22, and they're going to want to take that up a notch with a strong off-season.
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