in 2001 against Wales. Also in 2001, he capped the season by making his Great Britain début against Australia scoring a try after just 86 seconds of his début in the first test victory at Huddersfield. He then become a permanent presence in the Great Britain squad making 14 appearances, all but three of which have been in the starting line up. Peacock won caps for Great Britain while at Bradford Bulls in 2001 against Australia (2 matches), and Australia (sub), in 2002 against Australia, New Zealand, and New Zealand (sub) (2 matches), in 2003 against Australia (3 matches), in 2004 against Australia (3 matches), and New Zealand, in 2005 against Australia (2 matches), and New Zealand (2 matches). As Super League VI champions, the Bulls played against 2001 NRL Premiers, the Newcastle Knights in the 2002 World Club Challenge. Peacock played as a in Bradford's victory. He made 30 appearances as Bradford again returned to Old Trafford for the 2002 Super League Grand Final only to lose out to a Sean Long drop goal. However, Bradford were unstoppable as they captured the Challenge Cup, League Leaders and Grand Final trophies ahead of Leeds and Wigan respectively and Peacock was named Players Player of the Year, Rugby League Writers Player of the Year and Man of Steel. Peacock played for the Bradford Bulls as a in their 2003 Super League Grand Final victory against the Wigan Warriors. Having won Super League VIII, Bradford played against 2003 NRL Premiers, the Penrith Panthers in the 2004 World Club Challenge. Peacock captained the Bulls as a in their 22–4 victory. Bradford then battled all the way with Leeds to the 2004 Super League Grand Final where Leeds finally got the advantage over their old nemesis. Peacock was then selected in the Great Britain team to compete in the end of season 2004 Rugby League Tri-Nations tournament. In the final against Australia he played as a in the Lions' 44–4 loss. Peacock was honoured with the captaincy at Bradford Bulls in his final year at Odsal and played for the Bulls as a in their 2005 Super League Grand Final victory against Leeds Rhinos at Old Trafford. Leeds Peacock was made captain of Great Britain for the 2005 and 2006 Gillette Tri-Nations tournaments due to injuries to Paul Sculthorpe. Leeds born Peacock joined the club he supported as a boy in 2006 from local