Kyrie Irving candidly details "challenge" of playing with LeBron James originally appeared on nbcsportsboston.com It took time, but Kyrie Irving now seems completely comfortable discussing what once was a third-rail topic. The Boston Celtics point guard recently spoke to ESPN's Dave McMenamin about the challenges (and benefits) of playing with LeBron James, his teammate of three seasons on the Cleveland Cavaliers. MORE CELTICS: How Kyrie Irving and Marcus Smart are making each other better And while Irving sometimes treads lightly when discussing James, he pulled the curtain back for McMenamin's story about how the young Los Angeles Lakers are adapting to life with LeBron.