Coming off their win over the Browns the Bills flew south to Sun Life Stadium for an AFC East rivalry rematch against the Dolphins. The second quarter saw the Bills taking the early advantage with QB Ryan Fitzpatrick completing an 18-yard TD pass to WR David Nelson. This was followed by kicker Rian Lindell nailing a 29-yard field goal. The Dolphins responded with RB Ronnie Brown getting a 6-yard TD run, but the Bills increased their lead in the third quarter with Fitzpatrick throwing a 15-yard TD pass to WR Steve Johnson. The lead was narrowed in the fourth quarter with QB Chad Henne getting a 9-yard TD pass to WR Brandon Marshall, but the Bills defense was solid enough to hang them on for the win.

Answer this question based on the article: How many more touchdown passes did Ryan Fitzpatrick throw compared to Chad Henne?
1