The summer of Boston and of fathers and sons is expected to get more clarity over the coming weeks as NBA free agency kicks off Sunday, just days after the draft was completed.The champion Celtics won't be too impacted by free-agent departures, while other teams like the Los Angeles Lakers, Los Angeles Clippers, Philadelphia 76ers and Golden State Warriors each have key decisions ahead.Here is where the top NBA free agents could land in advance of the 2024–25 season:LEBRON JAMES, Los Angeles Lakers (player option)Bronny James is now a member of the Lakers after he was selected in the second round Thursday, and any chance his famous father would leave the organization is long gone. LeBron James still figures to opt out of his current deal, but only to come to terms on a new multi-ye…