User blog comment:Force Of Reckon/My Tank tier predictions for preseason./@comment-4996845-20151108114426

Someone should check if on-being-hit effects trigger multiple times when Graves pumps them full of buckshot. If so, Rammus and Amumu (and, to a lesser extent, Galio ) will royally screw him over whenever they'll come rollin'/give him a HUG. Ramm's gonna be the bigger pain, forcing Gravy to waste his shells with Puncturing Taunt.

You should take that into account while ranking these guys.