Mavs' Luka Doncic becomes second-youngest to record triple-double

MILWAUKEE -- Dallas Mavericks forward Luka Doncic became the second youngest player in NBA history to record a triple-double on Monday afternoon, pouring in 18 points, 11 rebounds and 10 assists in a 116-106 loss to the Bucks Monday afternoon.

Doncic and Philadelphia 76ers guard Markelle Fultz are the only two teenagers to record triple-doubles. Fultz was 19 years, 317 days old; Doncic is 10 days older at 19 years and 327 days.

Luka Doncic shoots between the Bucks' Eric Bledsoe (6) and Tony Snell Monday on the way to his first triple double in the NBA.Doncic, who has emerged as a clear Rookie of the Year favorite, is averaging 20 points, 6.7 rebounds and 5.1 assists per game this season. He…