NFL: Indianapolis 27, Tennessee 17

INDIANAPOLIS, Dec. 6 (UPI) -- Joseph Addai's two first-half touchdowns put Indianapolis in command Sunday and the unbeaten Colts went on to defeat the Tennessee Titans 27-17.

The Colts (12-0) tied an NFL record with their 21st straight regular-season victory, tying a run by the New England Patriots from 2006 to 2008.

Addai scored on an 8-yard run in the first quarter and a 1-yard run in the second, finishing with 79 yards in 21 carries.

Petton Manning completed 24-of-37 passes for 270 yards, including a 4-yard scoring pass to Austin Collie for Indianapolis, which has clinched the AFC South title.

Vince Young completed 24-of-43 passes for 241 yards and two touchdowns for the Titans (5-7).

Young's scoring tosses were for 6 yards to Kenny Britt and 17 yards to Bo Scaife.

The Titans had won their previous five games.

Indianapolis and New Orleans (12-0), which edged Washington 33-30 in overtime, are the only unbeaten teams in the league.