Key matchup: Adams vs. Dumervil

In one of Week 4's most intriguing matchups, 6-foot-7 Cowboys left tackle Flozell Adams is charged with slowing down 5-11 Broncos outside linebacker Elvis Dumervil, who is second in the league with six sacks. That's six sacks as in twice as many as Dallas has recorded through three games. With his low center of gravity and long arms, Dumervil has drawn comparisons to the Steelers' James Harrison. But Adams has yet to give up a sack this season, quite an achievement considering he's faced the Buccaneer's Gaines Adams, the Giants' Osi Umenyiora and the Panthers' Julius Peppers. Dumervil, though, could be the quickest of the bunch and he's got plenty of momentum after recording all of his sacks in the last two games. His play is a big reason why the Broncos' lead the league in total defense (214.7 yards), scoring defense (5.3 points) and have given up just 16 points in their 3-0 start. "He has the God-given ability to be able to get off the ...