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He injured his left ankle in the third quarter of Sunday’s loss to the Carolina Panthers and didn’t return.
Thomas led the team in rushing in Miami’s Week 11 win over the San Diego Chargers, gaining 57 yards on 10 carries and also scoring a touchdown.
Thomas, 26, has rushed for 279 yards on 77 carries with three touchdowns this season. He also has 12 receptions for 54 yards and a touchdown.
ESPN.com Dolphins reporter James Walker contributed to this report.