Coming off their division-clinching home win over the Cardinals, the Seahawks flew to Bank of America Stadium for a Week 15 intraconference duel with the Carolina Panthers.  The game was scoreless until the fourth quarter when Seattle trailed on the foot of Panthers kicker John Kasay's 53-yard field goal.  The Seahawks would respond with kicker Josh Brown getting a 23-yard field goal.  However, Carolina began to pull away as Kasay nailed a 37-yard field goal and RB DeAngelo Williams managed to get a 35-yard TD run.  Seattle tried to rally as QB Matt Hasselbeck completed a 15-yard TD pass to WR Deion Branch.  However, the Panthers' defense held on for the win.
How many yards longer was John Kasay's longest field goal relative to Josh brown's longest?
16