 He got a lot trouble with injuries and during the season 2009–10 he stopped playing professional football in November 2009.On 8 September 2013, Valgaeren appeared for the "Celtic XI" during the Stiliyan Petrov charity match put on by Celtic FC.Valgaeren made his debut for Belgium in 1997 in a friendly match against Austria at the King Baudouin Stadium in Brussels.