Hungarian international Fulop played in England between 2004 and 2010
He is best remembered for his time with Sunderland but he was also on the books of Tottenham, Ipswich and West Brom and also had loan spells with Manchester City, Stoke, Leicester, Chesterfield and Coventry.
A statement on MTK's official website read: "We are d eeply sorrowful and grieved to announce that after a long illness, Marton Fulop has died."
Budapest-born Fulop joined Spurs from his first club, MTK, at the age of 21 in the summer of 2004 but did not make a first team appearance for them.
Loan spells at Chesterfield, Coventry and Sunderland followed before he made the move to Wearside permanently in January 2007.
He stayed with the Black Cats until 2010, making more than 40 appearances - although he also had loan stints at Leicester and Stoke during that time.
Manchester City signed Fulop on an emergency loan in 2010 because of injuries to regular number one Shay Given and back-up keepers Stuart Taylor and David Gonzalez, while current England number one Joe Hart was on loan at Birmingham.
The Hungarian made just one appearance for City before signing a two-year deal with Ipswich in 2010
The Suffolk side were managed by Roy Keane, who signed him at Sunderland.
After more than 30 appearances for Ipswich, just one followed in a one-year spell at West Brom, before he joined Greek side Asteras Tripoli in 2012.
Source : PA
Source: PA