<text>  Ben Foster has been ruled out for at least a month after suffering a damaged knee cartilage during his sides 1-0 victory over Stoke. Scans revealed the extent of the injury after the West Brom goalkeeper limped off on 56 minutes having hurt himself challenging Peter Crouch for a high ball. It means Roy Hodgson will be unable to select Foster for Englands forthcoming internationals against Lithuania and Italy at the end of March. West Brom goalkeeper Ben Foster suffered a damaged knee cartilage during win against Stoke . Substitute goalkeeper Boaz Myhill replaced Foster in the 56th minute during West Broms 1-0 win . Foster sustained an injury after colliding with Stoke striker Peter Crouch at The Hawthorns . VIDEO West Brom could have scored more - Pulis . Deputy goalkeeper Boaz Myhill will step up during Fosters absence, with Jack Rose, 20, expected to be named on the bench. Tony Pulis said: Its rotten news for Ben because hes been so consistent. He kept seven clean sheets in 10 games but we have a very able man to step forward in Boaz, who has performed well when hes come into the team. Weve got the international break coming up which I hope will give our medical team the chance to work on Bens rehab and we will reassess later. 