NHL Aggression Index: Tampa Bay Lightning Top, Detroit Red Wings Bottom

The Carolina Hurricanes won the Stanley Cup last month, and now with the draft complete and free agency opening up, the research team at Casino Guru decided to look back at the 2025/26 season to reveal the league's most and least aggressive teams.

The Tampa Bay Lightning were the league's most aggressive team with a score of 87.89 out of 100, having the most major penalties (46), PIM (1,296) and fights (45) last season. The Detroit Red Wings were the league's least aggressive team with a score of 6.80 out of 100, with the joint least major penalties and 2nd least PIM.

The Boston Bruins and Anaheim Ducks make up the rest of the top 3 most aggressive teams with respective scores of 68.04/100 and 55.44/100. The Colorado Avalanche and Seattle Kraken make up the top 3 least aggressive teams with respective scores of 10.71/100 and 10.87/100. The Vegas Golden Knights gave out the most hits last season and found themselves as the 9th most aggressive team (39.31/100).