A look at the key matchups for Sunday's Dolphins-Chiefs game

Dolphins must exploit

OLB Joey Porter vs. RT Damion McIntosh

Porter has feasted on quarterbacks all season (17.5 sacks), but the Pro Bowler needs to step it up to retake the sack lead from Dallas' DeMarcus Ware, who shot past him Sunday and has 19 sacks. McIntosh, a former Dolphin, has allowed seven sacks this season. Rookie Branden Albert (4.5 sacks allowed) is the left tackle, so either side Porter attacks should bring success.

Dolphins have concerns

TE Tony Gonzalez vs. SS Yeremiah Bell

The Chiefs spread the field with a lot of three-receiver sets and use their Pro Bowl tight end as quarterback Tyler Thigpen's safety valve. Gonzalez is 59 yards shy of his fourth 1,000-yard season. He has caught five or more passes for nine consecutive games and has scored eight touchdowns. Bell, whose 104 tackles make him a candidate for the NFL's Comeback Player of the Year, usually covers tight ends in the nickel and dime packages. He's deflected seven passes this season and has no interceptions.

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