Based on my research, I can verify this claim:

Reasoning:

• Luka Dončić was born on February 28, 1999¹²
• According to ESPN, Yahoo Sports, and the LA Times, Dončić eclipsed 15,000 career points during the Lakers' game against the Cavaliers on March 31, 2026³⁴⁵
• March 31, 2026 is exactly 31 days after his 27th birthday (February 28, 2026), making him 27 years and 31 days old at the time²⁶
• He became the third-youngest player in NBA history to reach 15,000 career points, trailing only LeBron James (25 years, 79 days) and Kevin Durant (26 years)³⁷

Overall validity: 100%

1. Luka Dončić Stats, Height, Weight, Position, Draft Status and more
2. Luka Doncic | Trade, Stats, Height, Lakers, Dallas Mavericks, & Facts
3. Out like a lion: Luka totals 600 points in March; Lakers go 15-2 - ESPN
4. Luka Doncic matches Michael Jordan for NBA's most magical March ...
5. Luka Dončić had a historically good month of March as a scorer
6. Luka Doncic - Age, Bio, Family | Famous Birthdays
7. Luka Dončić becomes the third-youngest player to reach ... - Facebook