X-rays came back negative and the club is now calling it a mild to moderate sprain, which means he could avoid the disabled list.
Strasburg rebounded after allowing five earned runs in five innings during a no-decision against Cincinnati on Friday. Washington held on for the 8-4 win.
Wednesday's starter John Lackey had his own pain to deal with Wednesday, giving up eight runs and three homers in just 5 1/3 innings.
Cubs third baseman Kris Bryant left Chicago's game against the Washington Nationals in the fifth inning Wednesday due to a moderate right ankle sprain. The way I look at it is get him off his feet, literally, for a couple days.
METS 8, MARLINS 0 Steven Matz pitched seven innings and two relievers completed a seven-hitter, helping the visiting Mets to the victory.
"Michael has done a great job", Baker said. However, he has seemingly back on track to return soon. After dropping the second game of the series to the Washington Nationals, Miguel Montero blamed the inability to stop the run game on Jake Arrieta.
Bryant, the reigning National League MVP, was forced to leave the game after suffering the injury.
Bryant and Harper - posing with their respective wives, Jessica and Kayla, in the photo - played with and against each other while growing up in Las Vegas. "One of the best players in baseball, you want to see him playing every single day".
Bryant was having a strong game up until that point in what had been a disappointing effort by the Cubs. Three of his first seven strikeouts came on three pitches and he threw a first-pitch strike to nine of the first 10 batters he faced.
The Nationals jumped on Lackey early.
Bryant singled in the first inning, doubled and scored in the fourth and struck out in the fifth.
It seemed harmless at first, then not so much when Bryant struggled to put any weight on his right leg.