James Anderson’s groin injury will be reassessed on Saturday after he had to leave the field mid-over on the first morning of the Roses match at Old Trafford.
The veteran England seamer pulled up alarmingly in his run-up in the middle of his sixth over and, after getting to his feet, made his way gingerly out of the action.
England’s all-time leading wicket-taker is not due to be back in action for his country until the first Investec Test against South Africa at Lord’s on July 6.
Shortly after the 34-year-old had limped off the pitch in the Specsavers County Championship Division One match, Lancashire tweeted: “Concern as @jimmy9 pulls up in his delivery stride and he is coming off after treatment from the physio #LANvYOR”
Anderson, who did not return to field and was not expected to bowl again in the first innings at least against Yorkshire, had been scheduled to play in Lancashire’s next four championship matches before joining England for the start of the Test summer.