Whether or not it’s the greatest concerto for cello is for somebody else to answer, but even a grunt like me knows that every world-class cello player has to master it, which leaves us with an embarrassment of riches and the question of which to choose. I was tempted to offer the famous Jacqueline du Pré concerto, conducted by her husband at the time Daniel Barenboim, in which she breaks a string (and fwiw her MS was diagnosed not long after the recording). But let’s go with Yo Yo Ma, as for one the sound recording technology had improved and for another, his name might get a few more people hitting play:
This is from 1995, conducted by Kurt Masur and gets rave reviews on YouTube.
So many wonderful artists; they either sound like Casals, or purposely not like Casals, the standard by which all are judged.