Lawson has missed the past three games with a jammed right big toe. He hurt himself just before the regular-season finale against Duke.
Coach Roy Williams had said it would be a gametime decision whether the Atlantic Coast Conference player of the year would suit up against LSU.
Lawson averages about 16 points per game for the Tar Heels, the top seed in the South Region.
(This version CORRECTS APNewsNow. corrects dateline to Greensboro)
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The NBA All-Star game is headed back to Charlotte in 2019, a couple of years longer than anticipated.
Kyle Snyder made history at the Rio Olympics by becoming the youngest American wrestler to win a gold medal.
NFL owners cut the overtime period from 15 minutes to 10 minutes during the regular season, but also gave players plenty of leeway to celebrate after a touchdown.