Curtis Davies has signed a new four-year deal with West Brom. The 21-year-old defender impressed for The Baggies during last year's Premiership campaign, although he could not save them from relegation.He has been heavily linked with both Arsenal and Tottenham during the summer, but West Brom boss Bryan Robson has been determined not to let him go.Having knocked back an £8.5 million bid from Wigan and Spurs, Robson has now secured Davies on a long-term basis. The youngster has been handed a lucrative new deal tying him to Baggies until 2010.