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Dallas Mavericks rookie Cooper Flagg set a new NBA record for points scored by a teenager on Thursday night, dropping 49 points in a 123-121 loss to the Charlotte Hornets. The 19-year-old officially claimed the franchise rookie scoring record, surpassing the mark he previously shared with Mavericks legend Mark Aguirre. The historic feat occurred on the same night the organization retired Aguirre’s jersey, a coincidence Flagg described as "pretty cool" while praising the former star’s impact on the team.
"You saw history," Mavericks coach Jason Kidd said. "We saw history at halftime, and we got to see a young man play the game at a very high level. To have Mark in the building and break his record was pretty special.”
Also special for the No. 1 draft pick last summer from Duke was playing his first NBA game against Kon Knueppel, his roommate as Blue Devils freshmen last season. Knueppel, drafted fourth, set his own career record with 34 points and hit the two winning free throws with 4.1 seconds left after being fouled at the rim by Flagg.
"Cooper, he played like the best player we've played all season," said Knueppel, who set a franchise rookie record hitting eight 3-pointers. "He had a heck of a game, he's a heck of a player, and he's going to have a heck of a career."
Flagg referred to Knueppel as his "brother for life."
Cliff Robinson set the previous NBA teen record of 45 at age 19 for New Jersey in a game against Detroit on March 9, 1980. Flagg's previous high of 42 points also came in a defeat — 140-133 at Utah on Dec. 15. As did Aguirre's, in a 118-112 loss to Golden State on Nov. 14, 1981.
It didn't start out looking like a historic night for Flagg. He shot 1 for 4 in the first quarter as the Mavericks fell behind by 15 points. He caught fire in the second period, hitting 8 of 9, including 2 of 3 from downtown, plus 5 for 5 at the free-throw line. His 23 points in the period and 25 at halftime were both Dallas individual highs this season.
Knueppel conversely came out hot. He hit his first three shots from behind the arc, 4 for 5 in the first period and added another in the second quarter.

