context: Trying to snap a three-game losing streak, the Colts flew to LP Field for a Week 14 AFC South duel with the Tennessee Titans on Thursday night.  Indianapolis delivered the game's opening strike in the first quarter with a 1-yard touchdown run from rookie running back Javarris James.  The Colts would add onto their lead in the second quarter as quarterback Peyton Manning found wide receiver Pierre Gar&#231;on on a 1-yard and a 19-yard touchdown pass.  The Titans responded with running back Chris Johnson getting a 1-yard touchdown run. Tennessee began to cut away at their deficit in the third quarter as quarterback Kerry Collins completed a 7-yard touchdown pass to tight end Craig Stevens, yet Indianapolis responded with a 21-yard field goal from kicker Adam Vinatieri.  The Colts added onto their lead in the fourth quarter with a 28-yard field goal from Vinatieri.  The Titans tried to rally as Collins completed a 9-yard touchdown pass to tight end Bo Scaife, yet Indianapolis rose to the challenge with Vinatieri booting a 47-yard field goal.  Tennessee closed out the game with Collins completing a 2-yard touchdown pass to Scaife.
question: How many yards difference was there between Peyton’s touchdown pass to Pierre  than Kerry’s second touchdown pass to Bo?
answer: 17