LeBron
Puts Lakers in better position to be contenders this year
He takes minimum and goes to Cavs for retirement tour where he gets a real chance for the storybook final season
Cavs
Need expiring money to get LeBron as even if he is willing to take an MLE, they still need to be out of the 2nd to sign him
Rui and Vincent are at least good fits though admittedly a talent downgrade
LeBron would need to give them a heads up that he would be willing to do this in order for the Cavs to even consider
Lakers
Talent and fit upgrade
Allen helping the defense would be huge and an overpaid player but good fit with Luka in the future
Nets
Free prospect and pick
Only need to take an expiring