By Zach Koons The London goalpost was unforgiving for New Orleans kicker Will Lutz. Sunday’s Week 4 game in London between the Vikings and Saints ended in heartbreak for New Orleans fans after Will Lutz’s long field goal attempt as time expired bounced off an upright and the crossbar before ultimately falling short. Trailing by three points with less than a minute remaining, Andy Dalton drove the Saints into field goal range with two seconds left. Lutz, who drilled a 60-yarder earlier in the game, trotted out onto the field to attempt a 61-yard kick. Off of Lutz’s foot, the kick appeared to be…