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CLEMSON — Coach Dabo Swinney said Clemson football did some soul searching during the Week 5 open date amid the team's 1-3 start and found the root of the Tigers' on-field problems.

"It's just been a coaching failure, honestly. We have just failed as coaches," Swinney said Sept. 30.

Clemson (1-3, 0-2 ACC) is enduring its worst start in 21 years after losing to LSU, Georgia Tech and Syracuse in the first four weeks of the season. The Tigers are longshots to win the ACC and make the College Football Playoff after entering the season as favorites to win the conference again and a popular pick to win the national championship.

Swinney isn't considering staff or playcalling changes, though, despite Clemson's poor start. He added

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