Photos: NASCAR at Martinsville, Friday March 31, 2017

Denny Hamlin (Photo by Jerry Markland/Getty Images)

MARTINSVILLE, VA – MARCH 31: Kyle Larson, driver of the #42 Target Chevrolet, practices for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)

MARTINSVILLE, VA – MARCH 31: Dale Earnhardt Jr., driver of the #88 Axalta Chevrolet, practices for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jerry Markland/Getty Images)

MARTINSVILLE, VA – MARCH 31: Track workers dry the track before practice for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Sean Gardner/Getty Images)

MARTINSVILLE, VA – MARCH 31: Crew members dump water from a tent before practice for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jerry Markland/Getty Images)

MARTINSVILLE, VA – MARCH 31: Denny Hamlin, driver of the #11 FedEx Express Toyota, practices for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)

MARTINSVILLE, VA – MARCH 31: Jimmie Johnson, driver of the #48 Lowe’s Chevrolet, sits in his car during practice for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Sarah Crabill/Getty Images)

MARTINSVILLE, VA – MARCH 31: Kurt Busch, driver of the #41 Monster Energy/Haas Automation Ford, speaks with his crew chief, Tony Gibson, during practice for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jerry Markland/Getty Images)

MARTINSVILLE, VA – MARCH 31: The car of Kyle Larson, driver of the #42 Target Chevrolet, is seen during practice for the Monster Energy NASCAR Cup Series STP 500 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)

MARTINSVILLE, VA – MARCH 31: Christopher Bell, driver of the #4 JBL Toyota, practices for the NASCAR Camping World Truck Series Alpha Energy Solutions 250 at Martinsville Speedway on March 31, 2017 in Martinsville, Virginia. (Photo by Jared C. Tilton/Getty Images)

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Photos: NASCAR at Martinsville, Friday March 31, 2017