FAYETTEVILLE, N.C. – Alex Gritz logged the eventual game-winning goal with his first professional tally, and Austen Long scored twice in the third period to add insurance as the Fayetteville Marksmen maintained their first-place standing and defeated the Macon Mayhem 6-2 at the Crown Coliseum Saturday. Fayetteville began Saturday’s action with strong play, but it would be Macon that would…