All the FA Cup team news
SATURDAY
Middlesbrough v Man Utd
Middlesbrough: Midfielders Julio Arca (dead leg) and Lee Cattermole (knee) were both doubtful, but have been declared fit to face United. Brazilian midfielder Fabio Rochemback is also back in contention after a groin strain, while Robert Huth (foot) got 45 minutes under his belt for the reserves in midweek.
Squad: Schwarzer, Jones, Davies, Taylor, Abel Xavier, Parnaby, Hines, Woodgate, Pogatetz, Boateng, Arca, Cattermole, Downing, Morrison, Euell, Rochemback, Yakubu, Viduka, Christie, Lee.
Man Utd: Chinese striker Dong Fangzhuo, 22, has been called up. He is unlikely to play at the Riverside, with Henrik Larsson due to play his last game for the club. Louis Saha (hamstring) and Ole Gunnar Solskjaer (ankle) both out injured until end of the month but will probably be on the bench against Bolton next week. Darren Fletcher (ankle) also misses out.
Squad: Van der Sar, Kuszczak, Heaton, Neville, Brown, Ferdinand, Vidic, O'Shea, Evra, Heinze, Park, Ronaldo, Carrick, Giggs, Richardson, Rooney, Smith, Larsson, Dong.
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SUNDAY
Chelsea v Tottenham
Chelsea: Jose Mourinho has to decide if he will recall head-injury victim John Terry. Chelsea have no fresh injury worries following their midweek Champions League victory over Porto. Joe Cole (foot) remains their only long-term absentee.
Squad: Cech, Cudicini, Ferreira, Geremi, Diarra, Carvalho, Essien, Bridge, A Cole, Lampard, Makelele, Ballack, Drogba, Shevchenko, Kalou, Wright-Phillips, Boulahrouz, Morais.
Tottenham: Jermaine Jenas remains a doubt with a groin problem. Striker Mido has a cyst on his knee but could return.Benoit Assou-Ekotto is still recovering from knee surgery and misses out while Ledley King (foot) remains sidelined.
Squad: Robinson, Cerny, Chimbonda, Lee, Gardner, Dawson, Rocha, Stalteri, Jenas, Murphy, Ghaly, Malbranque, Taarabt, Huddlestone, Lennon, Mido, Defoe, Keane.
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Blackburn v Man City
Blackburn: Rovers are without the suspended David Dunn after he picked up his fifth booking in the win over Bolton. Mark Hughes hopes he will not have any new injury worries and that striker Shabani Nonda will be back in contention after illness. Defender Andy Todd is still out after undergoing an operation on his injured knee this week while Robbie Savage, Steven Reid and Andre Ooijer remain long-term absentees.
Squad: Friedel, Emerton, Henchoz, Khizanishvili, Nelsen, Samba, Warnock, Berner, Bentley, Tugay, Mokoena, Pedersen, McCarthy, Roberts, Nonda, Brown, Derbyshire, Gallagher.
Man City: Belgium international Emile Mpenza is pushing for his first start as Georgios Samaras and Bernado Corradi were both ineffective against Wigan. Darius Vassell (hamstring) and Paul Dickov (toe) could also come into contention after being sidelined through injury.
Squad: Weaver, Richards, Dunne, Distin, Ball, Trabelsi, Barton, Ireland, Beasley, Samaras, Corradi, Isaksson, Jihai, Dabo, Vassell, Hamann, Dickov, Sturridge, Mpenza, Miller.
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Plymouth v Watford
Plymouth: Striker Barry Hayles will vie for a starting spot in attack with 20-year-old rookie Sylvan Ebanks-Blake and on-loan Queens Park Rangers striker Kevin Gallen. Former Swansea striker Rory Fallon is cup-tied while Nick Chadwick (groin) is injured.
Watford: Keeper Ben Foster is back after missing the Hornets' last two matches due to a dead leg. Adrian Boothroyd's team will be without defender Jordan Stewart, who has a calf injury, as well as cup-tied trio Will Hoskins, Lee Williamson and Gareth Williams.
Squad: Foster, Lee, Mariappa, Shittu, DeMerit, Powell, Mackay, Doyley, Chambers, Smith, Mahon, Bouazza, Cavalli, Bangura, McNamee, Rinaldi, Francis, Priskin, Henderson, Kabba.