Nick Kostos won big on Monday nights last season and gives his best 3-team NFL parlay for Week 3. Parlay betting is one of the most popular forms of sports wagering. With parlays, bettors can bet that two or more point spreads, OVER/UNDERs, or moneylines. College football bettors and sportsbooks both love parlays. in place, bettors can take advantage of parlay betting and turn a nice profit in college football.