The 29-year-old Doncaster born defender began his career as an apprentice at Scunthorpe United before penning professional terms in 2002. Andy spent six more years at Glanford Park, including a short loan spell with Grimsby Town, and made over 150 appearances for The Irons.In May 2008 Andy rejected a new three-year contract at Scunthorpe and penned a similar deal at Huddersfield Town. He went on to make around 50 club appearances for The Terriers, and a further seven whilst on loan at Blackpool, helping them gain promotion to the Barclays Premier League.
Following Blackpool's promotion, Butler returned to Huddersfield and was deemed surplus to requirements, he received his release and began the search for a new club.
Andy failed to secure a new club for the beginning of the 2010 season.
He joined then League One side Rochdale on trial in November, and despite making a few appearances for the club's reserves he was unsuccessful in securing a deal.
Then Walsall manager Chris Hutchings signed Butler to a one-year contract in November 2010.
Following an impressive opening season, which saw him voted Player of the Season and Players Player of the Season, he was rewarded with a new two-year contract.
Andy has once again had a solid campaign and fully deserves his new deal, which includes an option for a further one-year extension which is in the club's favour.
Walsall had recently rejected an approach from Bradford City.
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