Skip Bayless and Shannon Sharpe went at it Tuesday morning on their FS1 show Undisputed ... after Skip insinuated LeBron James is lying about his injury.
Of course, it was reported Monday that James might miss substantial time with a right foot injury ... but Skip isn't buying he's hurt, questioning the legitimacy of LeBron's injury.
Bayless told Sharpe he hasn't seen any difference in Bron since the Lakers superstar turned 38 in December, and said he appeared to be fine during Sunday's game vs.