NASCAR announced on Tuesday it has indefinitely suspended Eric Maycroft, the front tire changer on Sprint Cup Series driver Martin Truex Jr.'s pit crew, for violation of its substance abuse policy.
Maycroft is expected to be replaced by Terry Spalding. Truex's No. 56 Michael Waltrip Racing team remains in contention for a spot in the 12-driver Chase for the Cup.
Michael Waltrip Racing fully supports NASCAR's substance abuse policies and those who complete the Road to Recovery program," the team said in a statement. "MWRs zero tolerance policy has resulted in the immediate termination of the employee.