Steve Kean's side secure the signature of former England international as they look to rebuild team following relegation from the Premier League last season
The former England international has enjoyed an illustrious career at the top of the game playing over 400 top flight games for numerous clubs including the Cottagers, Charlton, Tottenham and Liverpool.
Rovers beat several clubs to the signature of the 35-year-old including QPR and West Ham as Steve Kean looks to re-build his squad following relegation to the Championship in the last campaign.
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Kean told the club's official website: "Being able to bring Danny on board is a massive boost for everyone and I couldn't be more delighted.
"His record is there for all to see. He is a model professional, who has a real hunger to keep on playing football and we are thrilled he has decided to commit his future to us. This as a pivotal signing for us."