The six-foot-three, 223-pound American had 10 points (1-9) in 78 games last season. Greene, 24, led the Oilers in penalty minutes (109).
He also played for the United States at the IIHF World Championship in Russia, where he recorded two assists.
He had been a restricted free agent.
Chloe Primerano, a 15-year-old defender from the Burnaby Winter Club U-15 team, has become the first woman skater drafted to the CHL after getting selected 268th overall by the Vancouver Giants.
Good teams find a way to win, and so far, that's exactly what the Avalanche have done.
Canada is still perfect, Germany and USA earned shutouts and Czechia bounced back in a big way – and a fire spawned a lot of conversation – during Thursday's World Hockey Championship action in Finland.
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