NBA John Wall dunks in the gym By Erikas Polockas - Dec 30, 2019 9:14 PM Photo: Washington Wizards Twitter FacebookTwitterWhatsAppReddItDiggEmail See moreJohn Wall in the lab getting BACK 😤 @JohnWall (via @MiltonAChavis) pic.twitter.com/OyszmzenOV— Overtime (@overtime) December 30, 2019 Washington Wizards guard John Wall has been sidelined since Dec. 2018 due to his Achilles injury.