Name a player who could....

I would contend that that's kind of a trick question: Any bassist who has the skill to sight read Jaco Pastorius' solo bass arrangement of "Portrait Of Tracy" is already familiar with "Portrait Of Tracy" ...because as a student of bass evolution you would have to have your head buried in the sand to not be aware of that milestone in the instrument's development. And so they wouldn't really be "sight reading" it, and it's entirely plausible that they've already played the tune at some point in their life.

But if you asked about sight reading a new, unknown composition that is technically and stylistically similar to "Portrait Of Tracy" I would venture that Jimmy Johnson, Jeff Berlin, Hadrien Feraud, and Ric Fierabracci could probably sight read it.

And if we include upright bassists, I would bet that Marc Dresser could sight read it with his eyes closed!

 

Bob has a good start to the list. It will probably end up numbering in the hundreds.

I'll suggest Michael Manring

 

A few of them from Brazil...

 

Any bassist or musician for that matter who has trained extensively in Solfège can sight read it. I trained for years in a classical conservatory. I can sight read Portrait of Tracy or any piece of music however complex it might be...

Now playing it just like Jaco is a totally different thing

 

The thing about "Portrait of Tracy" (PoT) is that it's not actually very difficult to sight read, except for all the *@%# harmonics! Some of the harmonics are in between frets, and some of them are artificial harmonics. So there are probably quite a few bassists, who are top-tier musicians and expert sight-readers, but who would struggle to sight-read PoT because they don't have the niche skill set of an encyclopedic knowledge of harmonics.

I bet you there are lots and lots of bassists, who could easily sight-read PoT on the piano (assuming the harmonics were notated as they sound, at concert pitch) but who wouldn't be able to sight-read PoT on the bass, for technical reasons. Or another way of phrasing it, in my opinion, PoT is easy to sight-read (in the sense of looking at the sheet music and knowing what notes to play) but difficult to sight-perform due to its technical challenges.

In my opinion, a much better test of a bassist's musicianship would be, can they sight-read something like "Donna Lee"?