ST. LOUIS (AP) — The Washington Nationals have placed reliever Ryan Madson on the 10-day disabled list with a back injury.

Madson surrendered David Bote's game-ending grand slam in Sunday night's 4-3 loss to the Chicago Cubs. The Nationals said Monday that Madson was dealing with back issues, but the plan was for him to pitch through it.

The 37-year-old Madson is 2-5 with a 5.19 ERA and four saves in 48 games this season.

The Nationals also promoted right-hander Trevor Gott and left-hander Tim Collins from Triple-A Syracuse before Tuesday's game against St. Louis. Lefty Sammy Solis was sent down, and right-hander Erick Fedde was moved from the 10-day to the 60-day disabled list.

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