Overwatch Hero 28 Now Live on the PTR

Update: Overwatch's 28th hero, the tank character Wrecking Ball, is now live on the PTR.
Here are Wrecking Ball's abilities, according to Blizzard: Quad Cannons: Wrecking Ball fires machine gunsAdaptive Shield: Grants Wrecking Ball a number of temporary shields based on the number of enemies nearbyRoll: Wrecking Ball transforms into a sphere with increased speedGrappling Claw: While in Roll mode, Wrecking Ball can launch a short grappling hook to attach to surfaces, swing around, clear gaps