Domestically he plays for the Victoria Cricket Team and Melbourne Renegades in the Big Bash League, having previously played for New South Wales, Melbourne Stars and Sydney Sixers.

Early Life and Cricket

Born on 21 December 1991 in Nowra, New South Wales, Maddinson was part of the New South Wales under-19 team that won the Australian Under-19 Championship in December 2009. Two months earlier he had surpassed the Australian Under-19 team's batting averages. 19th team in a home series against Sri Lanka Under-19s, averaging 72 runs and innings during the series, including scoring a century in one game. He was later selected for Australia for the 2010 ICC Under-19 Cricket World Cup and opened the batting line-up as Australia won the tournament.

Maddinson also enjoyed an excellent season for Sutherland District Cricket Club in 2009/10, scoring 604 runs at an average of 46.46 runs per innings. He scored two centuries, including 137 runs in the semi-final against Eastern Suburbs Cricket Club, and helped Sutherland reach the Grand Final, where they eventually lost to St George Cricket Club. Using his left-arm orthodox spin deliveries, he took 12 first-grade wickets over the course of the season, including five wickets for 95 runs in the semi-final.

Domestic Cricket Career

Maddinson made his first-class cricket debut in October 2011 and scored a century. This made him the youngest New South Wales player to score a century on his first-class debut. His score of 113 runs against South Australia at the Adelaide Oval came at the age of 18 years and 294 days, surpassing the record set by Arthur Morris in 1940 at the age of 18 years and 342 days.

Maddinson made his Big Bash League debut for the Sydney Sixers in January 2011 and played for the team until the 2017–18 season. During the 2014–15 season, he captained the team in five games when Moisés Henriques was injured. He made his Indian Premier League debut in 2014 for Royal Challengers Bangalore, where he played just two games before being ruled out of the competition due to injury. He returned to the team in 2015 but played only once before playing for the Guyana Amazon Warriors in the Caribbean Premier League in 2016, ending up on the losing side in the final of the competition. In 2018, he played for Surrey County Cricket Club in the 2018 Vitality Blast.

Maddinson moved to Victoria ahead of the 2018/19 Australian season. He found a place in the team in the 2018–19 JLT One-Day Cup, playing in all eight matches and scoring two half-centuries. He was omitted from the first five games of the Sheffield Shield season, but was selected in the Australian Test squad for the India tour following the selection of Marcus Harris. He scored 162 runs on his Victoria Shield debut, but later broke his arm during a match and was ruled out for the final. At the same time he moved to Victorian club Melbourne Stars in the Big Bash.

In 2019/20, Maddinson was the leading run-scorer in the Sheffield Shield, scoring 780 runs at an average of 86.66 runs per innings. He made two centuries and five half-centuries and set a new highest first-class score of 224 runs. He was named joint Shield player of the year.

International Career

As a 19-year-old, Maddinson was selected in both the one-day and four-day Australia senior squads for the 2011 tour of Zimbabwe and played three one-day matches in a tri-series with Zimbabwe and South Africa.

He made his full international debut for Australia in a Twenty20 International match against India at Rajkot in October 2013, scoring 34 runs off 16 balls. In November 2016, Maddinson made his Test match debut in the third Test against the traveling South Africans. His baggy green cap was presented to him by Simon Katich. He played in three Tests in the summer at bat number six, made a duck on debut against South Africa and then scored scores of 1, 4 and 22 in three innings against the touring Pakistan team before being dropped for the final was the test of the summer