In the first half, the Chargers got off to a great start when QB Philip Rivers got a 2-yard touchdown pass to WR Legedu Naanee. Then kicker Nate Kaeding hit a 28 and a 47-yard field goal. In the third quarter the Broncos scored their only points of the game when kicker Matt Prater got a 23-yard field goal, yet the Chargers replied and started to rally with RB LaDainian Tomlinson getting a 1-yard touchdown run, and in the fourth quarter Kaeding making a 28 then a 19-yard field goal, and finally FB Mike Tolbert ran 8 yards to the end zone for a touchdown (With PAT kick blocked). With the fourth straight loss, the Broncos fell to a 6-4 record as the Chargers improved to a 7-3 record and took the divisional lead.
Question: How many yards difference is there between the two shortest field goals?
Answer: 4