Yunel Escobar (groin) will undergo an MRI on Saturday.
Yunel Escobar was removed from Friday's game against the Phillies in the fourth inning with an apparent injury.
Yunel Escobar will bat leadoff Tuesday against the Red Sox.
Yunel Escobar played second base went 1-for-2 in his spring debut Monday against the Yankees.
Yunel Escobar (oblique) is in the Nationals' Grapefruit League lineup Monday versus the Yankees.
Yunel Escobar (oblique) is expected to play in a major league game Monday.
Yunel Escobar (oblique) hopes to play in a minor league game by Sunday.
Yunel Escobar (oblique) is scheduled to take grounders and hit in the cage on Wednesday.
Yunel Escobar (oblique) will resume light baseball activities on Sunday or Monday.
Nationals manager Matt Williams said Saturday that Yunel Escobar is dealing with a Grade 1 oblique strain.
Yunel Escobar indicated Saturday that his back is feeling better, though he'll be rested for the next 3-4 days as a precautionary measure.
Yunel Escobar will have his back examined by a doctor Friday.
Yunel Escobar was scratched from Thursday's Grapefruit League game against the Mets due to general soreness.
Yunel Escobar (fever) missed on-field workouts Monday morning but will be back out on the field Tuesday.