Do you think certain sports are difficult to understand?

Initially I would say curling, but I kinda get it- get your stone close to the middle and knock the others out, but after watching sports highlights on BBC world news I’m going to have to say cricket. It kinda looks like baseball but I have no knowledge of any rules. Of course you could look online and find out rules to whatever sport you like, I’m asking with your current knowledge, is there a sport you are just clueless about how it’s played?