Elsewhere a poster wrote: "Devers is so much more talented then Panda is/was. Panda might have been pretty good, but Devers has MVP potential and has already proven that."
In response:
Rafael Devers has posted an OPS+ of 115 and 8.2 fWAR in 392 games as he approaches his 24th birthday this week:
https://www.fangraphs.com/players/ra...ts?position=3B
Pablo Sandoval posted and OPS+ of 122 and 7.3 fWAR in his first 346 games over three regular seasons that ended less than two months after his 24th birthday:
https://www.fangraphs.com/players/pa...ts?position=3B
Over the those periods Devers posted at a rate of 2.10 fWAR per 100 games and Sandoval 2.11 fWAR per 100 games. Devers posted 6.1 bWAR and Sandoval 6.9 bWAR.
FWIW Devers finished 12th in the AL MVP voting in his age 22 season while Sandoval finished seventh in the NL MVP voting in his age 22 season. Each contributed to a World Series title at a young age.
The career paths of Devers and Sandoval may diverge but they had similar production in their early MLB careers.