In total Tőzsér made 54 apps and scored 3 goals over 2 years with the club, before moving to AEK Athens in 2006.

Tőzsér also played an important role in AEK's UEFA Champions League run and was voted man of the match against Anderlecht.

Following the match and evidently impressed, Anderlecht attempted to sign Tőzsér, however AEK declined the offers.

[1] On 23 August 2011, Tőzsér and his Hungarian teammate László Köteles played an important role in qualifying for the group stages of the UEFA Champions League 2011–12 season.

[3][4] In February 2012, it was announced that Tözsér would be leaving Genk at the end of the season, with a four-year contract having been agreed with Italian side Genoa.

Having fallen out of favour with head coach Gian Piero Gasperini the following season,[6] Tözsér joined long-term admirers Watford on loan.

[7] On 29 January 2014, Tőzsér joined Watford on loan for the remainder of the 2013–14 season, with a view to signing a permanent deal.

[14] On 1 November 2014, Tőzsér scored a superb free-kick in the 45th minute against Millwall in a 3–1 victory in the 2014–15 Football League Championship season.

[15][16] Tőzsér was cited as the Watford's unsung hero of the 2014–15 Football League Championship by the journalist of Here Is The City.

[17] Despite playing a crucial role in Watford's promotion to the Premier League, Tőzsér announced he would be leaving the club early, just one year into a two-year loan from Parma.