The Lakers’ LeBron James is redefining NBA longevity as he reaches his 21st season

LeBron James is already the defining figure of this basketball era with his strength, skills, smarts and relentless will to win. The Los Angeles Lakers superstar now seems determined to redefine how long an elite player can stay on top. James begins his 21st NBA season next week with his 39th birthday looming in December, yet the top scorer in league history shows shockingly few signs of decline from his peerless standard of performance.