Coming off their win over the Chargers, the Broncos returned home for an AFC West duel with the Kansas City Chiefs. The Broncos jumped out to a 10-0 lead in the first quarter, with a 54-yard field goal by placekicker Matt Prater, followed by a 9-yard touchdown pass from quarterback Peyton Manning to tight end Julius Thomas. The Chiefs got on the scoreboard early in the second quarter, with a 6-yard touchdown pass from quarterback Alex Smith to wide receiver Dwayne Bowe. The Broncos immediately responded, with running back Montee Ball rushing for a 1-yard touchdown. The Chiefs pulled to within 17-10, with a 20-yard field goal by placekicker Ryan Succop. The Broncos added to their lead late in the third quarter, with an 8-yard touchdown run by Ball, followed by a 36-yard field goal by Prater midway through the fourth quarter. The Chiefs tried to rally, with Smith connecting on a 10-yard touchdown pass to tight end Anthony Fasano, and forced a Broncos' punt with one minute remaining in the game, but the Broncos' defense stood their ground.. How many yards difference was Matt Prater’s first field goal compared to his second field goal? A: 18