Catching up on a recent file addition for NBA 2K13 PC, slimm44 has uploaded a new roster pack for use with U R Basketball 2K13. Check it out at the link below!
Skoadam & Slimm44 & PatTheHead
URB 2K13 Roster Files 1960-2017 (Updated to v3.4)
For the full mod, as well as previews of forthcoming updates, be sure to check out this topic in the Forum.