2023 MotoGP World Championship
Enea Bastianini missed the Argentine and Americas rounds after suffering a fractured right collarbone due to a collision with Luca Marini in the sprint of the Portuguese round. He was not replaced for the Argentine round, and was replaced for the Americas round by Michele Pirro. Bastianini also missed the French round after a failed return in the Spanish round which saw him withdraw from the race after P2 due to continuous shoulder pain. He was replaced by Danilo Petrucci. Bastianini will also miss the San Marino, Indian, and Japanese rounds after undergoing surgery on his fractured left ankle and left hand that were sustained during the Catalan race. He was not replaced for the San Marino round, and by Pirro again for the Indian round.