Gilbert suffered a stroke May 26 and remains hospitalized.
Smith played in just 11 games in 2018-19 before he agreed to part ways with the Cavaliers and sat out the rest of the season.
Love signed a four-year, $120 million extension with Cleveland in July 2018.
Kobe Bryant denied he was involved in trying to get free agents to play for the Lakers, but some sources say this is not the case.
The specifics of Gilbert's diagnosis were not released, according to The Detroit News.
Cleveland Cavaliers head coach John Beilein is excited about his opportunity with the NBA team.
Beilein explained his decision to leave Michigan after 12 seasons to become the next coach of Cleveland at a press conference Tuesday.
Teenage sensation Zion Williamson looks bound for the New Orleans Pelicans, who will select first during the NBA Draft on June 20.
John Beilein led Michigan to two Final Four appearances and four Big Ten titles in his 12-year stint with the Wolverines.
It appears the Cleveland Cavaliers have settled on their next head coach after John Beilein departed the University of Michigan.