Halloween. Synonymous with candy, costumes, jack-o-lanterns, trick-or-treating, haunted houses, Michael Myers, ghosts, goblins. You name it. Halloween.sxc.hu But sports?Yes, even the wide world of sports plays a scary role in Halloween.From costumes to great games to black cats and more, Yahoo! Contributor Network has it all covered. So, turn out the lights, grab a flashlight and get ready for a sports-themed Halloween.Before you go bobbing for apples, check it out:What was that?As Yahoo! Contributor Network contributor Austin Chang points out, it's not rare to see a black cat streaking across a baseball diamond.Happy Birthday!Believe it or not, several sports icons—past and present—were born on the haunted holiday. From Brian Piccolo to Fred McGriff, Freddy Sherman fills us in.Still time for a sports costumeSure, Halloween is just a few days away. If you're headed out trick-or-treating with the kids or attending a party, there is still time to dress the part.Here are few ideas:- Maryam Louise suggests a few easy, popular sports costumes- Baseball fan? From Brian Wilson to Steve Bartman, check out these options from Julie Hayes- For golfers, Lana Bandoim has some good ideas- Have a ball with S. Alexander Cooke's soccer-themed Halloween costumesScary good games on the gridironCollege football on Halloween, does it get any better? As Yahoo! Contributor Network contributor Rick Limpert outlines, there are always a few tricks and treats on Oct. 31.Yank-toberYes, the New York Yankees are the most historic franchise in MLB history. But were the ghosts of Ruth, Gehrig and Mantle there on the Halloween nights of 2001 and 2009?As Robert Dougherty details, maybe so.Athletes who 'rose from the dead'Hobson Lopes goes down the list of professional athletes who weren't quite ready to call it a career.Note: This article was written by a Yahoo! contributor. Sign up here to start publishing your own sports content.