[BostonCard]

Houston has had no one-and-dones since the 2017/18 season.  It lost one sophomore last year who went to play professionally (Nate Hinton, who went undrafted).
Baylor has had no one-and-dones since the 2017/18 season.  It has not lost any early departures to the NBA.
UCLA has not had a one-and-done since the 2017/18 season.  They lost Jaylen Hands as a sophomore to the 2019 NBA draft; he would have been a senior. They also lost Aaron Holiday as a sophomore to the 2018 draft, but he would have exhausted eligibility before this year.
Gonzaga has not had a one-and-done since the 2017/18 season.  They lost sophomore Filip Petrušev after the 2019 season to a Euro team, and Brandon Clarke and Rui Hachimura, who as juniors would have exhausted eligibility last year.  They had a one-and-done (Zach Collins) during the 2016/17 season; he would have exhausted eligibility last year.

So, four teams, none of whom had one-and-dones who, had they stayed, would have been on the final-four rosters.

BC

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he will have plenty of days on campus...just not on the basketball court.

He will be a terror for somebody's IM squad.  Didn't Mark Madsen do that when he came back for business school?

BC

[BostonCard]

Houston has had no one-and-dones since the 2017/18 season.  It lost one sophomore last year who went to play professionally (Nate Hinton, who went undrafted).
Baylor has had no one-and-dones since the 2017/18 season.  It has not lost any early departures to the NBA.
UCLA has not had a one-and-done since the 2017/18 season.  They lost Jaylen Hands as a sophomore to the 2019 NBA draft; he would have been a senior. They also lost Aaron Holiday as a sophomore to the 2018 draft, but he would have exhausted eligibility before this year.
Gonzaga has not had a one-and-done since the 2017/18 season.  They lost sophomore Filip Petrušev after the 2019 season to a Euro team, and Brandon Clarke and Rui Hachimura, who as juniors would have exhausted eligibility last year.  They had a one-and-done (Zach Collins) during the 2016/17 season; he would have exhausted eligibility last year.

So, four teams, none of whom had one-and-dones who, had they stayed, would have been on the final-four rosters.

BC

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he will have plenty of days on campus...just not on the basketball court.

He will be a terror for somebody's IM squad.  Didn't Mark Madsen do that when he came back for business school?

BC