Mariners put RHP Sergio Romo on IL

The Seattle Mariners put right-hander Sergio Romo on the 10-day injured list due to right shoulder inflammation on Wednesday, one day after the 39-year-old made his 800th major league appearance.

In a corresponding move, the Mariners purchased the contract of Matt Koch from Triple-A Tacoma.

Romo has yet to record a decision in two appearances this year. He has struck out three in two scoreless innings, giving up one hit