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The Kansas City Chiefs have had the NFL's best offense over the past two seasons. Since the start of the 2002 season, they've averaged 30 points a game and have made it look effortless.

With premium players like tailback Priest Holmes and tight end Tony Gonzalez, and the offensive mastery of Dick Vermeil, it's no surprise the unit has excelled. But perhaps the biggest contributor to its success has been the play of the offensive line.

It's no coincidence that during the team's dominant offensive run, no one on the line missed a start. Including the playoff loss to the Indianapolis Colts, the Chiefs' line has been intact for 33 consecutive games. But that won't be the case next season as the group will be minus right tackle John Tait, who signed a free-agent contract with the Chicago Bears.

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