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Associated Press
Pittsburgh Steelers quarterback Ben Roethlisberger, right, throws under pressure by Indianapolis Colts defensive end Robert Mathis (98) in the first quarter NFL preseason football game in Pittsburgh, Sunday, Aug. 19, 2012. (AP Photo/Mark Duncan)

PITTSBURGH — Andrew Luck shook off a pair of early interceptions to put together three second-quarter scoring drives, giving the Indianapolis Colts a halftime lead before the Pittsburgh Steelers rallied for a 26-24 preseason victory Sunday night.

The top overall pick completed 16 of 25 passes for 175 yards and added a 1-yard touchdown run for the Colts (1-1), who held their own against a perennial Super Bowl contender.

Ben Roethlisberger passed for 81 yards with a touchdown and an interception for the Steelers (1-1), who took an early 14-0 lead when Ike Taylor picked off Luck's pass and took it 50 yards for a score.

The pick hardly rattled Luck, who led the Colts to scores on three of their next four drives. By the time he left, Indianapolis (No. 32 in the AP Pro32) held a 17-14 at the break.

Rookie Danny Hrapmann kicked four second-half field goals for the Steelers, including the 22-yard winner with 23 seconds remaining.

COLLIE SUFFERS POSSIBLE CONCUSSION: Indianapolis Colts wide receiver Austin Collie left Sunday night's game against the Pittsburgh Steelers in the first quarter with a possible concussion.

Collie, who missed seven games in 2010 after suffering a pair of concussions, took a blow to the head from Pittsburgh linebacker Larry Foote while trying to haul in a pass from Andrew Luck. He was momentarily dazed before walking off the field under his own power and taken to the locker room for tests.

RAIDERS CURRY STILL OUT WITH KNEE: Oakland Raiders coach Dennis Allen says linebacker Aaron Curry is running out of time to get back on the practice field from his injured knees in time to start the season opener.

He worked out on the side before watching most of practice Sunday for the Raiders.

Curry was placed on the physically unable to perform list at the start of training camp because of the injuries. Allen says he won't be taken off until he is able to change directions at full speed.

TITANS CLOSER TO QB DECISION: The Tennessee Titans still have yet to decide whether Matt Hasselbeck or Jake Locker starts in their third preseason game, and coach Mike Munchak says he could go all the way up to opening week before picking his starting quarterback for the season.

Hasselbeck and Locker split work yet again with the first-team offense, rotating between drills Sunday in the final open practice of training camp for Tennessee.

Munchak says he will meet with assistant coaches and make a decision by Monday on which quarterback starts Thursday night against Arizona.

The Titans open Sept. 9 against New England, and Munchak says the starting quarterback is one of many decisions that hopefully the Titans get right.

JONES CHANGES THE 'DO': Julio Jones is still drawing double-takes over his new hairstyle.

Gone are his trademark dreadlocks, cut off and donated to charity. Atlanta Falcons coach Mike Smith says he didn't even recognize the receiver the first time he saw him with his shorter locks this summer.

Of course, the Falcons are more concerned about what Jones does with a helmet on his head. From all indications, this could be a breakout year for a guy who had a solid rookie season but, in some people's eyes, didn't quite live up to the lofty expectations.