Rich Cimini ESPN Staff Writer
Sunday will be a QB matchup for the ages, no matter who starts for the Jets. If it's Sam Darnold, 21, the age gap between him and Tom Brady, 41, will be 19 years, 306 days — the largest QB gap since the 1970 merger. If it's Josh McCown, 39, it will be the second-oldest starting QB combo since the merger — 80 years, 258 days. The oldest: Vinny Testaverde (44) versus Brett Favre (38) in 2007 —a combined 82 years, 44 days old.