WASHINGTON (AP) Nationals right-hander Stephen Strasburg has been lifted after just four innings and 60 pitches against Miami.

Strasburg did not show any obvious sign of injury during his final inning Sunday. The Nationals do not provide injury information during games.

Strasburg allowed a three-run homer to Justin Bour in the first and a solo shot to Derek Dietrich to open the fourth.

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Strasburg gave up seven hits and struck out three without a walk. Doug Fister came on to start the fifth.

Strasburg entered with a 3-1 record and a 1.73 ERA in four starts since coming off the disabled list after missing more than a month with an oblique strain.