The Pittsburgh Penguins defeated the Colorado Avalanche 4-1 on December 3, 2009, at Mellon Arena. Colorado scored first on a power-play goal by T.J. Galiardi at 5:02 of the first period, but Pittsburgh tied it with Sidney Crosby's 18th goal at 19:53. The Penguins pulled ahead in the third with Bill Guerin's power-play goal (7:15), followed by empty-net goals from Jordan Staal (19:11) and Crosby (19:29, his 19th).