Early career In 2010 and 2011, Docker played for the
St. George Illawarra Dragons'
NYC team, scoring 2 tries in 14 games.
2012 In 2012, Docker joined the
Penrith Panthers, playing with their
New South Wales Cup team,
Windsor Wolves, for most of the year. In Round 24 of the
2012 NRL season, he made his
NRL debut for Penrith in their 18–16 win over the
New Zealand Warriors at
Mount Smart Stadium.
2014 On 4 May, Docker played for
New South Wales Country against
New South Wales City in the
2014 City vs Country Origin match. On 29 September, he was named in the
Australian train-on squad for the
2014 Rugby League Four Nations.
2015 In January 2015, Docker attended the Emerging Origin Blues squad designed for possible future New South Wales State of Origin representatives. After managing to only play one game in the
2015 season, he was forced to retire at the end of the season due to no cartilage left in his left knee leaving him with high grade arthritis. ==Personal life==