Of course the Padres Have Tatis....
SF has YASTRZEMSKI
and then there's the Blue jays
Bichette, Biggio and VGlad.

and while I was looking for more bloodlines i saw this article

https://www.nj.com/yankees/2020/06/mlb-draft-2020-kin-of-ex-yankees-stars-andre-agassi-tom-glavine-likely-passovers-in-coronavirus-shortened-draft.html

MLB Draft 2020: Prospects with famous bloodlines, including Andre A...
The nephew of New York Yankees manager Aaron Boone and son of Philadelphia Phillies skipper Joe Girardi are candidates to be picked in the 2020 MLB draft.