NFL Football Picks & Lines: Houston at Indianapolis

Peyton Manning and the Colts face Houston on Sunday. (AP Images)

The Houston Texans have won three straight and have their best record in franchise history at 5-3.

The season is half over and they remain firmly in the playoff hunt. But the road gets tougher as they face the undefeated Indianapolis Colts, a team they've beaten only once. Ever.

NFL betting lines have the Colts currently listed as 9.5-point favorites.

Houston has never won four consecutive games in a season and is 1-13 against the Colts, with the victory coming on a last-second field goal in 2006.

The Texans know Sunday's game will be a challenge as the Colts look to extend their franchise-record streak of 16 straight regular-season wins.

Peyton Manning and the Colts lead the league with 316.3 yards passing a game, but Matt Schaub and the Texans aren't far behind in third with 281.5.

The Colts are 5-1 ATS in their last six games overall.

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