Complex sentence: After going winless from December 30 to February 4 (0-14-2), they finally won a game, against the Capitals on February 7, before going 0-21-6 for the rest of the season.
Split into simpler sentences: After going winless from December 30 to February 4 (0-14-2), they managed to defeat the Capitals on February 7. However, they went 0-21-6 for the rest of the season.