NORWICH CITY VS SOUTHAMPTONNorwich have won two of their last three, as many games as they did in their previous 14 combined. Southampton, who were fourth at this stage of last season, have won just twice away from home so far this season, scoring only nine goals. But Norwich have only 11 goals at home.SUNDERLAND VS ASTON VILLAAston Villa have kept just one clean sheet in their last 18 league games, and since their only win, at Bournemouth, they have taken two points in nine games on the road. Sunderland are 19th and just four points ahead of bottom-placed Villa after losing, on Wednesday, against Liverpool, their fifth loss in a row.WEST BROM VSSTOKE CITYStoke have conceded 19 goals this season – only four sides have leaked fewer. And the Potters are four points better off than at the halfway stage last season. In August Stoke had midfielders Ibrahim Afellay and Charlie Adam sent off as West Brom secured a first league win this season.WEST HAM VSLIVERPOOLWest Ham are unbeaten in six games in the Barclays Premier League, though five of those have been drawn. Liverpool won 1-0 at Sunderland on Wednesday to move above the Hammers, into seventh place. West Ham’s Andy Carroll, the match winner against Southampton on Monday, could start against his former club.CRYSTAL PALACE VS CHELSEAAt this stage last season Chelsea led the Premier League comfortably, with 14 wins from 19 games and just one loss, helping the Blues to 46 points. Now, at the halfway stage the Blues have won just five games and accrued 20 points. In addition they have 23 goals compared to 41 last term.