Prediction: 2-0/3-0
Odds: -1 Arsenal
Arsenal (from): Lehmann, Gallas, Djourou, Senderos, Clichy, Hleb, Gilberto, Fabregas, Ljungberg, Aliadiere, Baptista, Almunia, Diaby, Walcott, Denilson, Traore, Randall, Connolly, Perez.
Reading (from): Hahnemann, Murty, Ingimarsson, Bikey, Duberry, Shorey, Little, Sidwell, Harper, Hunt, Lita, Doyle, Kitson, Long, Federici, de la Cruz, Halford, Sodje, Gunnarsson, Oster, Seol, Bennett.
DoubtsArsenal will be without suspended trio Emmanuel Adebayor, Kolo Toure and Emmanuel Eboue, but Jens Lehmann, Abou Diaby and Cesc Fabregas all return.
Thierry Henry, Tomas Rosicky, Justin Hoyte and Mathieu Flamini are all out.
Reading have reported no fresh injury worries, with only Ibrahima Sonko and Bobby Convey (both knee) still missing from the Royals' squad.
Dave Kitson is set for his first start in the Premiership after suffering a knee injury on the opening day.
THIS SEASON'S REVERSE FIXTURE Reading 0-4 Arsenal
22 October 2006 - Ref: Alan Wiley
Arsenal scorers: Henry 1, Hleb 39, Van Persie 50, Henry 70 pen
HEAD TO HEAD TOTALS Home and away
League: Arsenal 1 win, Reading 0, Draws 0
Prem: Arsenal 1 win, Reading 0, Draws 0
at Arsenal only
League: Arsenal 0 wins, Reading 0, Draws 0
Prem: Arsenal 0 wins, Reading 0, Draws 0
Prediction: 2-0/2-1
Odds: -1 Chelsea
Portsmouth (from): James, Primus, Campbell, Traore, Pamarot, Hughes, O'Neil, Krancjar, Taylor, LuaLua, Kanu, Ashdown, Stefanovic, O'Brien, Davis, Mvuemba, Benjani, Douala, Cole, Todorov.
Chelsea (from): Cech, Hilario, Cudicini, Hedman, Ferreira, Diarra, Geremi, Bridge, A Cole, Carvalho, Essien, Lampard, Ballack, Makelele, Robben, Shevchenko, Morais, Drogba, Kalou, Wright-Phillips.
DoubtsPortsmouth boss Harry Redknapp is set to hand midfielder Richard Hughes a rare start, with Pedro Mendes definitely out with an ankle injury.
Lauren (muscle tear), Gary O'Neil and Sean Davis are all struggling and Glen Johnson is unable to feature.
Chelsea captain John Terry is set to miss the trip to Fratton Park in order to rest after his head injury.
Midfielder Joe Cole (foot) and defender Khalid Boulahrouz (shoulder) remain out for Premiership champions Chelsea.
THIS SEASON'S REVERSE FIXTURE Chelsea 2-1 Portsmouth
21 October 2006 - Ref: Mark Clattenburg
Chelsea scorers: Shevchenko 55, Ballack 57
Portsmouth scorer: Mwaruwari 69
HEAD TO HEAD TOTALS Home and away
League: Portsmouth 19 wins, Chelsea 27, Draws 21
Prem: Portsmouth 0 wins, Chelsea 7, Draws 0
at Portsmouth only
League: Portsmouth 13 wins, Chelsea 11, Draws 9
Prem: Portsmouth 0 wins, Chelsea 3, Draws 0