The 32-year-old, who was also recently ranked the ninth-best goalkeeper in the world, dedicated the prestigious award to the many coaches who have guided him throughout his career.
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From his humble beginnings in Gelvandale to his time at SuperSport United, Bafana Bafana, and now Mamelodi Sundowns, Williams credits his success to his mentors.
"Thank you so much to CAF for this recognition. It's been an amazing year for me, but I couldn't have done it alone. Thank you to all the players, coaches and technical staff that's been with me throughout my career," he said from the podium.
"But I want to take this opportunity and dedicate this award to all the goalkeeper coaches that I've worked with throughout my career, starting from when I was a little boy. Mouks Cameleo, Grant Johnson, Deshi Bhaktawer, Andre Arendse, William Shongwe, Lucky Shiburi, Lee Baxter, Wendell Robinson, and the legend himself Kennedy Mweene.
"I'm forever indebted to you guys, thank you for moulding me into the goalkeeper and the player that I am today," he said.
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His performances with Sundowns in the CAF Champions League were pivotal to their success, with Williams playing a key role in their continental triumphs.