Cars will be blocked from parking at major sporting events at the MCG in an effort to strengthen security against vehicular terror attacks.

Yarra Park will be closed for marquee matches, including the Richmond-Carlton AFL season opener next week.

Fans will not be able to park outside the MCG for major fixtures. Credit:Paul Rovere

The move, aimed at keeping fans away from cars, comes in the wake of terror attacks overseas where vehicles have plowed into crowds.

Melbourne Cricket Club chief executive officer Stuart Fox acknowledged in a statement that the changes would inconvenience "a small number" of fans but said the focus was on ensuring a safe environment for punters.