David Robinson works out with Tim Duncan's MMA trainer

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Tim Duncan isn't the only retired Spur getting in some MMA and kickboxing training — David Robinson is too.

Jason Echols, who has worked with Duncan in the past, posted a photo on the Echols Fitness Facebook page showing himself working with The Admiral on Nov. 15.

"Clashing with a titan," Echols captioned the photo.

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The trainer was not immediately available to return requests for comment.

This wasn't the first time Robinson has trained with Echols. A previous post shows Robinson and his son, Justin, joining Duncan for a session with Echols in May.

Madalyn Mendoza is a digital reporter for MySA.com. Read more of her stories here.| mmendoza@mysa.com | Twitter: @MaddySkye