Three entries handed engine change penalties ahead of IndyCars Markham race

Both ECR cars along with Meyer Shank Racing's No.66 entry have become the latest to pick up grid penalties for unapproved engine changes ahead of this weekend's IndyCar race in Markham.ECR's No. 20 and No. 21 Chevrolet-powered entries driven by Alexander Rossi and Christian Rasmussen respectively, alongside Marcus Armstrong's engine