You may not be a "sports fan" per se, but everyone plays games, whether it's chess, checkers or Thursday nights down at the local Bridge club. We took a look at three sports-themed businesses offering subscriptions to see how well (or not) they are converting visitors into subscribers. Golf Crate http://golfcrate.com/ A subscription box for the golfer in your life, Golf Crate follows the tried-and-true box formula: Golf-themed goodies sent in the mail once a month for a subscription fee. The si...