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Meet Day Day Thomas, whose Fun Nickname, 3-Point Shooting Provide Celtics with Summer League Sleeper originally appeared on NESN.
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Day Day Thomas may not be favored to make the Boston Celtics ' roster.
But the talented guard from the University of Cincinnati is being given a chance to prove himself, starting Friday night, as the Celtics play at NBA Summer League in Las Vegas.
He's got a fun name, an intriguing game and some reasons to believe in what he brings to the table.
If nothing else, Thomas will draw attention for going by Day Day.
MORE: Why Jaylen Brown says to never become a basketball player What is Day Day Thomas' real name? Day Day Thomas is actually DaVeon Thomas.
"Day Day" is really just the first syllable of his first name spoken twice.
Day Day Thomas career timeline Thomas is originally from the state of South Carolina.
He began his college career at a junior college in Texas called Kilgore College, where he averaged 19.0 points, 6.0 rebounds and 3.1 assists per game in his final season before transferring.
Thomas then spent three seasons with the Bearcats.
In 100 total games for Cincinnati, Thomas averaged 10.7 points, 3.2 assists and 2.7 rebounds per game.
He also averaged 1.5 steals per game.
His 3-point shooting will be his swing skill, and he improved that mightily in college.
In his first season at Cincinnati, Thomas shot just 28.0% from 3-point range.
He boosted that to 40.2% in 2024-25 on similar volume, but then his volume surged in 2025-26 as he made 72-of-189 3s for 38.1%.
If Thomas brings that to the NBA, he'll at least have a chance thanks to his defensive tenaciousness paired with being a perimeter threat.
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