Parlay betting NFL odds is riskier than single wagers, but while some consider them sucker bets, there is some NFL parlay betting strategy and tips to follow to help cash in those accumulators. The challenge is that each of those parlay picks must be correct for the parlay to be a winner, and just one wrong selection will blow up your parlay bet. Parlay betting requires multiple bets to be strung together under one wager with the promise of a sizable payout. NFL parlay betting is a guilty pleasure for football fans each Sunday, with bettors trying to win a lot by risking a little.