Verhaegh began his career at PSV Eindhoven, making 33 league appearances while on loan at AGOVV Apeldoorn. He then moved to FC Den Bosch in 2004, making 32 league appearances, before finally moving to Vitesse after the 2004–05 season. After four years, he left Vitesse Arnhem and signed a two-year contract with FC Augsburg on 27 May 2010.
He was a member of the Dutch squad that won the UEFA U-21 Championship in 2006. He made his debut for the national team against Portugal in a 1–1 friendly draw match in 15 August 2013. He was also part of the squad for the 2014 FIFA World Cup in Brazil. He started the game against Mexico in the last 16 round, when the Dutch relied on late goals to progress to the quarter finals in their way of finishing third in the tournament. Verhaegh is well known for his precision from the spot, as he has a hundred percent record of scoring from penalty-kicks in the league.