Christian Pulisic's adductor injury appears likely to keep him out of Chelsea's lineup until mid-February.

The 21-year-old American attacker has not played since a 1-1 draw at Brighton on New Year's Day.

Chelsea plays at Leicester on Feb. 1 and its next league game after that is not until Feb. 17 when it hosts Manchester United.

Chelsea's Christian Pulisic controls the ball next to Lille's Tiago Djalo during the Champions League Group H soccer match between Chelsea and Lille at Stamford Bridge stadium in London ,Tuesday, Dec.10, 2019. (AP PhotoThanassis Stavrakis)

Chelsea's Christian Pulisic controls the ball next to Lille's Tiago Djalo during the Champions League Group H soccer match between Chelsea and Lille at Stamford Bridge stadium in London ,Tuesday, Dec.10, 2019. (AP PhotoThanassis Stavrakis)

Manager Frank Lampard said Friday the break “might fall at a nice time and give us a bit more to play with.” He added: “Hopefully he will be back for the other end of that break. It’s in line with how we expected him to be.”

Pulisic has six goals and six assists in all competitions this season, including a hat trick in a league match at Burnley on Oct. 26.

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