James  suffered a broken nose  last week when Oklahoma City's Serge Ibaka  hit him in the face while attempting to block a dunk .

GALLERY: NBA players who have worn masks

LeBron finished with an emphatic slam, but fell to the court, where blood began to leak from his nose.

After  sitting out the Heat's Sunday game against the Bulls  , James  wore the mask during practice  , and returned to the lineup on Thursday against the New York Knicks. 

It's been ten years since LeBron last donned a mask, and all that's changed is his two NBA titles, multiple League MVP award, an Olympic gold medal and a rapidly receding hair line.

THEN

NOW