Head scratcher: Do you remember these weird Stanley Cup Playoffs moments?

The NHL can be a strange league, especially when teams move deeper into the playoffs and tension builds between players.

The Stanley Cup Playoffs got another weird moment on May 4 when Boston Bruins forward Brad Marchand got a bit too close to the Tampa Bay Lightning's Ryan Callahan and licked his face.

Regardless of how you feel about Marchand's actions, that lick will now go down as an infamous moment in playoffs history.

Let's take a look back at other odd Stanley Cup Playoffs moments that had you just as confused.