The Dallas Mavericks’ decision to part ways with Nico Harrison seemed to have paid dividends, as Dallas won their first game since his departure, defeating the Portland Trail Blazers 138-133 in overtime on Sunday night at the American Airlines Center, led by 18-year-old rookie Cooper Flagg .

The Mavericks’ No. 1 pick in the 2025 NBA Draft recorded a historic stat line of 21 points, eight rebounds, five assists, two blocks, and one steal. No 18-year-old in NBA history has ever posted those numbers in a single game , with only LeBron James having matched the four non-block categories on three occasions. This was also his first career OT win , according to StatsMuse.

Flagg’s impact was most visible in the second half and overtime. After entering halftime with just two points, the r

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