The fourth Test will be played from January 5-9 at the SCG, with Australia having retained the Ashes after winning the first three games.
Cricket Australia on Tuesday confirmed that the Pink Test between Australia and India will remain at the Sydney Cricket Ground as scheduled.
CA and Venues New South Wales are working together to ensure the safety of patrons attending the Pink Test on January 7
Toronto FC's Justin Morrow, executive director of the Black Players for Change organization, said MLS players wanted to add their voices to the movement.