18th in fWAR since 1940 for those players before their age 26 season. (to give you an idea, Mookie is 19th, Machado is 21st, Mike Trout is #1)
Of the 17 guys above him
11 are in the Hall of Fame
5 of the other 6 are named Pujols, A-Rod, Bonds, Trout and Andruw Jones. Those are 4 clear HoF likely guys and one who certainly has a worthy argument.
Guys of his and Machado's ilk just don't get to unrestricted free agency. The hype is warranted.