NFL betting sometimes comes down to answering previously improbable questions, but that is the nature of the beast in pro football handicapping. Take the Patriots’ Week 4 battle with the Ravens: The biggest issue for bettors heading into the game is getting a handle on whether Tom Brady is going to outplay Joe Flacco. Seriously? Two years ago, Brady had arguably the best season of any quarterback in NFL history, while Flacco was kicking ass and...