Jamerson / Dunn
Entwistle / Bruce
Graham / Clark
Pastorius / ?
Personally, I would match Clark with Jaco since both had a huge impact on the level of chops that one expected a top level bassist to have. Maybe I would put someone like Rocco Prestia or Bernard Edwards opposite of Larry Graham since they both showed how one could funk with the fingers, however, using that logic, maybe Jerry Jemmott, Tommy Cogbill, or Chuck Rainey, would be better examples of finger funk pioneers. That said, maybe Bootsy would be a better direct parallel to Graham as a funk pioneer.