This is just in the last decade, but I can go back further if you want.........
Naismith Award Winners:
2010- Ohio State/Evan Turner
(2 seed, Sweet 16)
2011- BYU/Jimmie Frederick
(3 seed, Sweet 16)
2012- Kentucky/Anthony Davis
(1 seed, National Champions)
2013- Michigan/Trey Burke
(4 seed, Runner-Up)
2014- Creighton/Doug McDermott
(3 seed, Round of 32)
2015- Wisconsin/Frank Kaminsky
(1 seed, Runner-Up)
2016- Oklahoma/Buddy Hield
(2 seed, Final Four)
2017- Kansas/Frank Mason III
(1 seed, Elite 8)
2018- Villanova/Jalen Brunson
(1 seed, National Champion)
2019- Duke/Zion Williamson
(1 seed, Elite 8)
2020- Dayton/Obi Toppin
(1 seed, sad face no tourney)
The last 4 have all been on 1 seeded teams and finished no worse than the Elite 8.....or didn't play
There have been two 2 seeds to have the NPOY in this time frame.
If Garza wins (or Dosunmu), it will mark the 4th NPOY out of the Big Ten, by far more than any other conference since 2010.
Oddly enough, only two NPOYs have led their teams to National titles. Anthony Davis of the dominant Kentucky team in 2012, and Jalen Brunson with Villanova in 2018, whom I don't even remember, outside of Villanova cruising to another title.....
Even if Garza gets it this year, the Big 10 is still behind the Big 12 in NPOY this millennium.
Clearly, Big 12 > Big 10.