The NFL season is underway, and the debate over the effectiveness of a ‘lead running back’ strategy continues. Some teams, like the Buffalo Bills with Josh Allen and the Dallas Cowboys with Ezekiel Elliott, have clear-cut starters. Others, like the Miami Dolphins and the New England Patriots, opt for a committee approach. This week’s mailbag explores the pros and cons of each strategy and whether the NFL should embrace a lead running back in today’s pass-heavy league.