For example, sports clues are popular in crosswords because they’re a mix of something challenging and something that is open to everyone (in this case sports fans). Sports being a universal language a lot of people can relate to and sports related clues combination of general knowledge and specific expertise needs to crack that clue. And this appeals to all kinds of solvers from casual fans, through to die hard enthusiasts. Sports clues tend to be sporty, with word play and fun twists you can try to solve. Sports related clues are a great way to spice up and supplement crosswords. You can also visit Fodder for a Sports Wonk NYT.