Rookie has split season between Toledo, Grand Rapids.
Irving leads Cleveland with 33 points.
Detroit loses for 5th time in 6 games.
Columbus sees 4-game win streak come to an end.
U.S. returns to action Friday with 0-2 record.
He has split his first full season as a pro between the two cities.
Two of the top three teams in the league could meet in the first round.
23-year-old winger has battled through bruising campaign.
Mantha scores in overtime to propel Detroit to win.
Lopez hits winner after Detroit comes back to tie.