The dictionary describes an enigma as someone who is puzzling, mysterious or difficult to understand. NHL teams have been dealing with enigmas since the league dropped the puck, and this season is no exception.
Some players have been successful in the past but lost the ability to deliver consistently. Others can look great in one shift and terrible the next. A few seem disinterested or distracted for long stretches.
Their talent got them here, but they are driving coaches crazy. Here are the 10 biggest enigmas in the NHL this season.