One year after returning to the Cleveland Cavaliers in one of the biggest free-agent signings in recent NBA history, four-time NBA Most Valuable Player LeBron James has elected to decline the $20.6 million player option he holds for the 2015-16 season and re-enter unrestricted free agency this July, according to an ESPN report. [ Follow Dunks Don't Lie on Tumblr: The best slams from all of basketball] This was a widely anticipated move, one that many have seen as a simple matter of course ever since James and his representatives negotiated an opt-out clause into the two-year, $42.2 million contract he accepted to rejoin the Cavaliers after spending four seasons with the Miami Heat. Cavaliers general manager David Griffin said during his season-ending news conference that he expected both James and power forward Kevin Love to exercise their rights to tear up the final years of their deals and enter the free-agent market. Love did so earlier this week. For one thing, with the salary cap projected to rise to $67.1 million for the 2015-16 season, the starting maximum salary next year for a player with as much service time as 12-year veteran James slots in just under $22.1 million....