The possible end of the Colts' run

Arian Foster and Houston ran over the Colts. Does that mean the AFC South is turned on its head? Getty Images

Every Tuesday, Football Outsiders will analyze the biggest upset from the previous weekend and see how those factors will impact both teams moving forward.

The Houston Texans beating the Indianapolis Colts 34-24 on Sunday was notable not just because of who won, but because of how they did it.

Ordinarily a pass-first offense, the Texans defeated the Colts despite collecting only 98 passing yards; that's their lowest total in a win since 2006.

More troubling for the Colts, though: if Arian Foster can keep up what he did Sunday, Indy's string of postseason berths could be in jeopardy.