The former Netherlands Under-21 international has joined Willem II on a season-long loan.
Ritgers joined signed a four-year deal when he joined Blackburn from NAC Breda in 2007.
Ritgers has previously had loan spells at Norwich City and Barnsley.
The former Netherlands Under-21 international has joined Willem II on a season-long loan.
Ritgers joined signed a four-year deal when he joined Blackburn from NAC Breda in 2007.
Ritgers has previously had loan spells at Norwich City and Barnsley.
