Some good modern jazz I'd recommend (I'm into sax and guitar):
- Chris Potter, I already linked him in another comment but he is a virtuosic post-bop player with incredible improvisational skill. Many people consider him to be one of the best living sax players in that style.
- Shabaka Hutchings, another sax player (he also plays clarinet and flute) with incredible songwriting ability and ability to play over varying genres and styles. It's hard to keep up with all of his projects. A very powerful player and a very gentle player when he chooses. https://www.youtube.com/watch?v=gpfpYTmohAk
There are multiple comments in here about contemporary jazz musicians, so I'm gonna pick this one to piggyback on and recommend some more for those who might also be interested. OP says they're into sax and guitar, I've got a general penchant for anyone who messes with "time", so swung/off-kilter rhythms (what's up, J Dilla), syncopation, odd time signatures and so on, but I'll also keep it fairly "normal" in that area for a lot of these...
Robert Glasper, Chris Dave, Derek Hodge & Yasiin Bey, Live @ North Sea Jazz Festival 2019, a really dope combination of contemporary and classic Jazz alongside Hip Hop (Glasper riffing on some Thelonious Monk while trading phrases with Chris Dave as Bey drops some unreleased Black Star is so damn fun)
https://www.youtube.com/watch?v=s5QVcYeT74I
I just saw Julian Lage a few nights ago here in Seattle - it was so great. I went alone and soaked it in. I'm not even really a jazz fan, but as a lifelong guitarist he is undeniable. He had John Medeski on organ and piano and it was absolutely sublime.
- Chris Potter, I already linked him in another comment but he is a virtuosic post-bop player with incredible improvisational skill. Many people consider him to be one of the best living sax players in that style.
- Shabaka Hutchings, another sax player (he also plays clarinet and flute) with incredible songwriting ability and ability to play over varying genres and styles. It's hard to keep up with all of his projects. A very powerful player and a very gentle player when he chooses. https://www.youtube.com/watch?v=gpfpYTmohAk
- Kamasi Washington makes big band style jazz that mixes old school and modern sounds. https://www.youtube.com/watch?v=x8WTPgeVPjg
- Some great guitarists:
- Julian Lage, exists somewhat in an overlap between jazz/classical/blues https://www.youtube.com/watch?v=bFRVK_1o2cU
- Bill Frisell, no one else sounds like him and his deeply romantic sound https://www.youtube.com/watch?v=Xpu33a_Y8VU
- Mary Holvorsen, she's much more avant garde and loves using whacky pedals for effects but still has incredible chops https://www.youtube.com/watch?v=zlozC3nHisI