Bolt's football debut in pictures

Usain Bolt of the Mariners receives assistance taking his necklace off during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia. (Photo by Cameron Spencer/Getty Images)

Usain Bolt of the Mariners prepares to run on with team mate Josh Nisbet during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia.

Usain Bolt of the Mariners controls the ball during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia.

Usain Bolt of the Mariners controls the ball during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia.

Usain Bolt of the Mariners controls the ball during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia.

Usain Bolt of the Mariners reacts during the pre-season match between the Central Coast Mariners and Central Coast Football at Central Coast Stadium on August 31, 2018 in Gosford, Australia. (Photo by Cameron Spencer/Getty Images)