Busch's Crew Chief Leaving Penske For Personal Reasons

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LOUDON, N.H. (AP) - Crew chief Pat Tryson says he is leaving Penske Racing for personal reasons, and his decision has nothing to do with driver Kurt Busch.

Tryson is moving to Michael Waltrip Racing at the end of this season to crew chief for Martin Truex Jr. His impending departure was revealed last week, as the No. 2 team readied for the start to the Chase for the championship.

Tryson says he is committed to finishing out the year with Busch, and the duo will try to win the Sprint Cup together before he leaves.

Busch called the timing of Tryson's decision unfortunate. He starts the Chase on Sunday at New Hampshire International Speedway ranked seventh in the standings.