Chelsea striker Samuel Eto'o will be out of action for about two weeks, the club said on Friday.
The 32-year-old Cameroon international was stretchered off during Chelsea's 1-0 defeat away to Basel in the Champions League on Tuesday.
Manager Jose Mourinho said Eto'o had suffered a "grade one muscular injury" to his hamstring.
Eto'o has scored four goals for the Blues since joining from Russian club Anzhi Makhachkala in the summer.
Meanwhile, Swansea City manager Michael Laudrup has expressed his worries about Wilfried Bony's hamstring injury.
Victor Moses says wants to play "as much as possible" for Liverpool in order to reach his full potential.
The 22-year-old sealed a loan from to Anfield from Chelsea on deadline day and went on to start the Reds' first six matches.
However, Moses has found himself on the bench recently, including Saturday’s Merseyside derby, and says he wants more game time as he looks to continue his development.
"The main thing is to be on the pitch and enjoy my football," he told reporers. "That’s always been on my mind - to play games.
Yaya Toure says Manchester City produced a ‘great team display’ which saw them dismantle Tottenham Hotspur 6-0 on Sunday afternoon.
The Blues recorded an emphatic result over Andre Villas-Boas’ side and Toure expressed his delight with the football his team produced.
"This was a very important win for us against one of the best teams in the Premier League," he told the club's official website.
"It was a great team display and I think we played fantastic. We have some fantastic players at the football club and the two guys up front are unbelievable.
Villarreal’s Nigerian forward Ikechukwu Uche, Torino’s Moroccan midfielder Omar El Kaddouri and Cameroonian striker Vincent Aboubakar of Lorient were the African stars of the weekend in Europe.
All three hit braces as Uche also won a penalty in helping the yellow submarines thump Levante 3-0.
El Kaddouri was on target twice in Torino’s 4-1 win over Catania while Aboubakar’s two goals helped Lorient earn their first away win of the season, 4-0 at Evian.
Seydou Doumbia scored the only goal of the game in most famous Moscow derby, while Dame N'Doye netted in the other one.
In the Premier League Wilfried Bony's double helped Swansea to a 3-3 draw with Stoke, while Cameroon star Samuel Eto'o was on the mark in Chelsea's 2-2 stalemate with West Brom.
Elsewhere around Europe Alex Song was handed a rare start for Barcelona, Kevin Prince-Boateng was in double form for Schalke, and Seydou Doumbia got on the scoresheet for CSKA Moscow.
Also, Moroccan forward El-Arabi scored a hat-trick as Granada, Ghana's Richmond Boakye grabbed a point for Elche and Senegal defender Papy Djilobodji continues to impress for Nantes as he netted in a 3-0 win over Bordeaux.
Cameroon striker Samuel Eto'o netted his third goal in two games for his club Chelsea as they drew 2:2 with visitors West Brom in an English Premier League match on Saturday.
Eto'o's 45th minute effort, coming after a brace against Schalke in a UEFA Champions League tie on Wednesday, gave the Blues the lead.
However West Brom bounced back with two goals of their own including a fine effort from Benin international Stephane Sessegnon who blasted home from just outside the box to make it 2:1.
It was Sessegnon's second goal of the campaign.
Hull City have been dealt a major blow after Sone Aluko was today ruled out until February with a torn Achilles. Having missed the win against Sunderland last week after struggling in the warm-up, the striker underwent scans this week to determine the extent of the problem.
Manager Steve Bruce said he expected Aluko to miss up to 10 weeks. It is believed the injury may be linked to the Achilles problem that sidelined him for the second half of last season
"We’ve had some bad news today. It was confirmed that Sone Aluko has torn his Achilles slightly," Bruce told his press conference today. "That’s put a dampener on everything. He broke down in the warm-up last week and it’s been confirmed there’s a tear in his Achilles that will keep him out until at least February.
Chelsea manager Jose Mourinho has backed striker Samuel Eto'o to continue improving as he gets fitter following a slow start to his Blues career.
Eto'o, who joined from Russian club Anzhi Makhachkala in the summer, scored twice in the 3-0 win over Schalke in the Champions League on Wednesday.
Mourinho said: "It was not a surprise for me that he arrived not in the best conditions after two years in Anzhi.
"Now step by step he is going. He is 32 but he's a fit, slim guy."
The Portuguese coach added: "He's not a heavy body. He's intelligent, of course, and I think goals give confidence.