Brad Keselowski Racing announced today that crew chief Mike Hillman, Jr. has left the organization effective immediately. Buddy Sisco will serve as Chase Briscoe's crew chief for the remainder of the 2017 season.

The Hillman-Briscoe duo won one pole position and scored five top-five and eight top-10 finishes in 15 starts this season, earning a spot in the Round of 8 in the NASCAR Camping World Truck Series Playoffs.

Briscoe, who was eliminated after the cutoff race at Talladega Superspeedway, currently sits seventh in the series championship standings.

-- Brad Keselowski Racing --

UPDATE: Kyle Busch confirmed on Friday that Mike Hillman Jr. has joined Kyle Busch Motorsports as crew chief of the No. 51 truck.

Hillman has 20 wins, 18 poles, 98 top fives and 140 top 10 finishes during his tenure as a truck crew chief. Most recently, Hillman led rookie Chase Briscoe to the truck playoffs.

Hillman, who turns 39 on Saturday, replaces Kevin Manion. Bono has worked with the team for the last two years. In 41 races, Manion won races with Daniel Suarez and Busch.

-- Motorsport --