West Ham hope to welcome back their England midfielder Scott Parker, who has missed the last three games with an Achilles injury.The Hammers will give Parker a late fitness test and will also assess defender Matthew Upson, who went off with a dead leg at Man City last week. [LNB]Blackburn will give late fitness tests to Junior Hoilett (hamstring), David Dunn (calf) and Michel Salgado (knee). [LNB]Manager Steve Kean says he expects at least two of the three to be available. [LNB][LNB]West Ham[LNB]Doubtful: Parker (Achilles), Tomkins (knee), Upson (leg) [LNB]Injured: Dyer (hamstring), Kurucz (knee), Noble (stomach), O'Neil (ankle), Stanislas (hernia) [LNB]Blackburn[LNB]Doubtful: Dunn (calf), Hoilett (hamstring), Salgado (knee) [LNB]Injured: Grella (Achilles), Nelsen (knee)[LNB] MATCH PREVIEW West Ham co-owner David Gold has told the BBC's Football Focus programme that he would let the club's England internationals leave if they are relegated.[LNB] We have to take points this weekend. There is no time to recover after this West Ham manager Avram Grant With three games to go, that threat is very real. The Hammers are bottom of the table and three points from safety, having lost five games in a row. A match against fellow strugglers Wigan comes after this, making it a huge week for Avram Grant's side. [LNB]They may have to face it without the Football Writers' Association Footballer of the Year, Scott Parker. The England midfielder has missed the last three games with an Achilles injury but is desperate to be involved. [LNB]Blackburn also have relegation fears, although last week's 1-0 win over Bolton has given them a bit of breathing space. Rovers manager Steve Kean believes his side need one more win to guarantee their safety. [LNB][LNB] MATCH FACTS Head-to-head[LNB]• This is the 107th time these clubs have met. Blackburn lead by 45 wins to 41 - but have failed to win any of the last 10 meetings. [LNB]West Ham[LNB]• West Ham have failed to win their last six games, losing the last five. [LNB]• The Hammers have conceded at least two goals in each of their last five games. [LNB]• Although bottom of the table, West Ham have more points (32) than they had at this stage last season (31). [LNB]• Manager Avram Grant celebrates his 56th birthday on Friday. [LNB]Blackburn[LNB]• Blackburn's 1-0 win over Bolton last week was their first victory in 11 games. [LNB]• Rovers have picked up just one point from their last seven away matches. [LNB]• Blackburn are the only Premier League side yet to come from behind to win this season. [LNB]• They have the worst defensive record away from home, conceding 40 goals on their travels. [LNB][LNB] LEADING GOALSCORERS [LNB]West Ham[LNB]Cole: 11 goals (5 league); Piquionne: 9 goals (6 league) [LNB][LNB]Blackburn[LNB]Kalinic: 6 goals (5 league); Mame Diouf: 6 goals (3 league) [LNB][LNB] MATCH OFFICIALS Referee: Peter Walton [LNB]Assistant referees: Stuart Burt & Ron Ganfield [LNB]Fourth official: Andre Marriner [LNB][LNB] LAST LEAGUE MATCH LINE-UPS West Ham (L1-2 v Man City, a): Green, Jacobsen, Tomkins, Upson (da Costa 26), Gabbidon, Sears, Spector, Hitzlsperger, Boa Morte (Obinna 79), Ba, Keane (Cole 66). [LNB]Subs Not Used: Boffin, Reid, Kovac, Piquionne. [LNB]Blackburn (W1-0 v Bolton, h): Robinson, Salgado (Diouf 76), Samba, Phil Jones, Givet, Emerton, Nzonzi, Jermaine Jones, Olsson, Roberts (Pedersen 79), Mwaruwari (Kalinic 64). [LNB]Subs Not Used: Bunn, Santa Cruz, Rochina, Hanley.