NASCAR: Tryson to leave Penske

Pat Tryson, crew chief of the number 2 of Kurt Busch, will leave Penske Racing after the end of the season. Tryson is rumored to go to Michael Waltrip Racing's number 56 of Martin Truex, Jr. for 2o1o. Many have criticized the timing of the announcement, as Busch is on the edge of making the NASCAR Sprint Cup Series Chase for the Cup.