Hollis-Jefferson averaged a career-high 13.9 points and 6.8 rebounds in 68 games for Brooklyn last season.
The First Lady said she was "open" to visiting James' I Promise School for at-risk children in Akron, Ohio.
LeBron James received the support of Michael Jordan after US president Donald Trump aimed a dig at the 14-time NBA All-Star.
"If the respect and appreciation is not there, then I’d rather be elsewhere.”
Robinson hasn't ruled out an NBA return as he said in June, "I just need a chance."
The Miami Heat have center Hassan Whiteside back onside after "a great talk" in the offseason with the frustrated center.
"I just think it's trust on both sides. I think that's the biggest thing," Whiteside said about his relationship with the Heat.
Smith averaged 8.3 points and 2.9 rebounds in 80 games for Cleveland in 2017-18.
Joel Embiid is eyeing the NBA's MVP award as he eyes further improvement with the Philadelphia 76ers.
Rose, a former NBA MVP, announced Wednesday he was launching “The Rose Scholars.”