Ashton scored twice in the first 10 minutes of the Hammers' opening day win over Wigan Athletic but left the action in the 72nd minute.

However, the results of a scan have proved positive and, although the 24-year-old will continue to be monitored this week, he is hopeful of figuring in Sunday's match at Manchester City.

seven goals

He said: "It was just cramp. I should be training with the team again.

"I am really glad that is not a bad injury. I am looking forward to joining in training and getting on with playing.

"Overall, I am really pleased with how pre-season has gone for me and then to get off to a good start in the first game - especially with two goals. Hopefully I can keep that going on Sunday."

Ashton's double in the Upton Park match means he has struck seven goals in his last nine Barclays Premier League outings.

As a result of the suspected injury he suffered on Saturday, the former Norwich City frontman was not considered for England's friendly against the Czech Republic on Wednesday.