The Washington Nationals have a significant lead in the National League East with three weeks to go in the regular season, but time is still not on Stephen Strasburg's side.

Strasburg, who left his last start with a strained flexor mass in his first start back from the disabled list, received a PRP shot on Friday and was set to have another MRI.

"I can't make that claim," Strasburg said when asked about pitching in the postseason. "There is still a month into the season."