Gary Sheffield talks about Dwight Gooden's addictionFormer MLB outfielder Gary Sheffield discusses his uncle's drug addiction and how he's affected by it.SI Staff|Share on FacebookShare on XAdd us on Former MLB outfielder Gary Sheffield discusses his uncle's drug addiction and how he's affected by it.Published Aug 23, 2016 | Modified Aug 23, 2016SI STAFFShare on FacebookShare on XHome/MLB