The most unguardable players in the NBA form an exclusive list.
It is reserved for only those players who simply cannot be defended in a one-on-one situation.
Furthermore, it is reserved for those who have consistently demonstrated their inability to be defended over the last handful of seasons.
At some point soon, expect players like James Harden and Kyrie Irving to join this group. At the moment, however, they were omitted only for reasons of longevity.
Additionally, Derrick Rose would've been included if not for the injury that's kept him sidelined in 2012-13.