Brad Morrin joined the Bulldogs in 1999 as a centre.

A regular member of the Jersey Flegg team, Brad played in the Premiership winning team against Newcastle from the bench. 

In 2000, he started the season late and did not play in the finals. In 2001, Brad became a regular member of the Jersey Flegg team playing in the second row and played in the Premiership winning team against Cronulla from the bench.

In 2002, Brad became a regular member of the Premier League team and played in the Premiership winning team against St George Illawarra.

In 2003, he continued in the Premier League team but missed the finals due to injury.

In 2004, Brad started the season in Premier League but was injured mid-year and did not complete the season.

In 2005, he received the opportunity to play in the NRL against Newcstle in Round 7 when Mark O'Meley was injured. Brad was able to hold a position in the team until his season was ended by a shoulder injury.

In 2006, he started in Premier League and has been a regular replacement for injured players in the NRL, playing 13 matches (324 minutes), 12 of those games were in succession between Round 7-18.

In 2007, Morrin played just five games. In the 165 minutes of football he played, Morrin produced 79 tackles, 41 hitups and gained 315 metres.

In round 21 he was suspended for eight weeks on a contrary conduct charge. The suspension will see Morrin return in round 1 of 2008.

In season 2008, the 26-year-old will have the chance to make his mark on the Bulldogs pack with the departure of representative forwards Willie Mason and Mark O'Meley.