Although the fee is described as undisclosed on The Trotters' official website, it is believed that Wanderers have paid £10 million to sign the 27-year-old.
Boss Gary Megson said: "Johan is a player I have admired for a long time.
"He's a player who will get us goals and also create other opportunities for his team-mates."
Video of the day:
There's been an error logging you in.
Please try again.
Ad revenue is what keeps this site running. Please disable your adblocker so we can continue to provide great content for readers like you!
Can't stand the ads? Subscribe to Tribal and get an ad-free, faster browsing experience. You can help us keep this site running for years to come! Sign up now for only $10 per year.
For only $10 a year
For only $10 a year
Subscribe now
