SEATTLE, Wash. — Seattle Mariners Executive Vice President & General Manager of Baseball Operations Jerry Dipoto announced today the following roster moves:
- Sean Doolittle, LHP, claimed off waivers from Cincinnati.
- Keynan Middleton, RHP, designated for assignment.
The Mariners Major League, 40-man, roster remains full at 40-players.
Doolittle, 34, is 3–1 with a 4.46 ERA (19 ER, 38.1 IP) with 18 walks and 41 strikeouts in 45 games with the Reds this season. He has limited left-handed hitters to a .229 batting average this season, compared to a .