Martin Truex Jr. holds off KyBusch to defend Sonoma title

Martin Truex Jr., center, celebrates after winning a NASCAR Sprint Cup Series auto race Sunday, June 23, 2019, in Sonoma, Calif. (AP Photo/Ben Margot)

Martin Truex Jr. celebrates after winning a NASCAR Sprint Cup Series auto race Sunday, June 23, 2019, in Sonoma, Calif. (AP Photo/Ben Margot)

Daniel Hemric (8) and William Byron (24) drive into "The Carousel" at Sonoma Raceway during a NASCAR Cup Series practice Friday, June 21, 2019 in Sonoma, Calif. The track has put the tricky carousel turn back into its layout for the first time since 1997. (AP Photo/Greg Beacham)

Kyle Busch, left, leads Ryan Blaney (12) during a NASCAR Sprint Cup Series auto race Sunday, June 23, 2019, in Sonoma, Calif. (AP Photo/Ben Margot)

Martin Truex Jr., right, leads Chase Elliott through a turn during a NASCAR Sprint Cup Series auto race Sunday, June 23, 2019, in Sonoma, Calif. (AP Photo/Ben Margot)

Martin Truex Jr. (19) leads the pack through a turn during a NASCAR Sprint Cup Series auto race Sunday, June 23, 2019, in Sonoma, Calif. (AP Photo/Ben Margot)