After an emotional home win over the Texans, the Chargers flew to the Hubert H. Humphrey Metrodome for a Week 9 interconference duel with the Minnesota Vikings. In the first quarter, San Diego struck first with RB LaDainian Tomlinson getting a 1-yard TD run. The Vikings responded with RB Adrian Peterson getting a 1-yard TD run. In the second quarter, there was no scoring until the final play of the half, as CB Antonio Cromartie returned a missed field goal 109 yards for a touchdown, the longest play in NFL history.