By Chris Burton Last updated: 23rd July 2008
Nakamura: Set to miss season opener
Shunsuke Nakamura has revealed that he can no longer ignore the groin pain which has blighted him for months.
The Celtic playmaker is rumoured to be heading to Germany for an operation on the problem next week, with the surgery set to keep him out of action for around three weeks.
That would rule him out of the Hoops' first game in the defence of their SPL title, against St Mirren on 10th August.
The Japan international missed three months of last season with a knee injury and suffered further problems on his return to action at the turn of the year.
He represented his country in a series of World Cup qualifiers last month, with the help of painkillers, but a rest period has failed to cure the issue.
The 30-year-old has been unable to take part in full training since joining up with his team-mates in Portugal on Sunday and admits that he must now seek professional help in a bid to resolve the problem.
"I've had pain from my groin, an ankle and a calf since the end of last season," he told the Evening Times.
"But the calf and ankle have been getting better in recent weeks.
"While I was playing for Japan, I took pain-relieving medicine. But it got worse."
Nakamura's compatriot Koki Mizuno is also set to go under the knife after suffering a knee injury which ruled him out of Celtic's friendly date with Middlesbrough on Tuesday.
"I've been in pain since injuring my knee playing for the reserves against Gretna back in March. It's got so bad I can't play any longer," he said.

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Bolton 0-2 Blackburn - Megson
Bolton 0-2 Blackburn - McDonald
| Time | Fixture |
|---|---|
| Sunday 22nd November | |
| Barclays Premier League | |
| 13:30 | Bolton vs Blackburn |
| 15:00 | Tottenham vs Wigan |
| 16:00 | Stoke vs Portsmouth |
| Wednesday 25th November | |
| Barclays Premier League | |
| 19:45 | Hull vs Everton |
| 20:00 | Fulham vs Blackburn |
| Saturday 28th November | |
| Barclays Premier League | |
| 15:00 | Blackburn vs Stoke |
| 15:00 | Fulham vs Bolton |
| 15:00 | Man City vs Hull |
| 15:00 | Portsmouth vs Man Utd |
| 15:00 | West Ham vs Burnley |
| 15:00 | Wigan vs Sunderland |
| 17:30 | Aston Villa vs Tottenham |
| Sunday 29th November | |
| Barclays Premier League | |
| 12:00 | Wolverhampton vs Birmingham |
| 13:30 | Everton vs Liverpool |
| 16:00 | Arsenal vs Chelsea |
| Saturday 5th December | |
| Barclays Premier League | |
| 12:45 | Portsmouth vs Burnley |
| 15:00 | Arsenal vs Stoke |
| 15:00 | Aston Villa vs Hull |
| 15:00 | Blackburn vs Liverpool |
| 15:00 | West Ham vs Man Utd |
| Time | Result |
|---|---|
| Saturday 21st November | |
| Barclays Premier League | |
| Liverpool 2 - 2 Man City | |
| Hull 3 - 3 West Ham | |
| Chelsea 4 - 0 Wolverhampton | |
| Sunderland 1 - 0 Arsenal | |
| Man Utd 3 - 0 Everton | |
| Birmingham 1 - 0 Fulham | |
| Burnley 1 - 1 Aston Villa | |
| Monday 9th November | |
| Barclays Premier League | |
| Liverpool 2 - 2 Birmingham | |
| Sunday 8th November | |
| Barclays Premier League | |
| Hull 2 - 1 Stoke | |
| Wigan 1 - 1 Fulham | |
| Chelsea 1 - 0 Man Utd | |
| West Ham 1 - 2 Everton | |
| Saturday 7th November | |
| Barclays Premier League | |
| Aston Villa 5 - 1 Bolton | |
| Blackburn 3 - 1 Portsmouth | |
| Tottenham 2 - 0 Sunderland | |
| Wolverhampton 1 - 4 Arsenal | |
| Man City 3 - 3 Burnley | |
| Wednesday 4th November | |
| Barclays Premier League | |
| West Ham 2 - 1 Aston Villa | |
| Sunday 1st November | |
| Barclays Premier League | |
| Birmingham 0 - 0 Man City | |
| Saturday 31st October | |
| Barclays Premier League | |
| Arsenal 3 - 0 Tottenham | |
Skysports.com looks at the best and worst moments from the latest round of top-flight fixtures.
Pictures from Saturday's action where Liverpool draw with Man City and Arsenal lose away.
Take a look back at what Liverpool and Man City fans had to say following a 2-2 draw at Anfield.
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Follow all the action from Sunday's packed programme with the skysports.com Score Centre.
Bolton squandered the chance to climb out of the bottom three as they were beaten 2-0 at home by Blackburn.
Stoke collected all three points against Portsmouth thanks to a late strike from Ricardo Fuller.
Tony Pulis put Stoke's poor first-half performance against Portsmouth at the Britannia Stadium down to nerves.