Mariners make flurry of roster moves, shake up pitching staff

Joe Camporeale-USA TODAY Sports This morning, Ryan Divish hinted at a pitching staff shakeup going down, with a couple new relievers heading up in exchange for a couple old ones. Sure enough, that shakeup has occurred, and as a bonus, an old friend returns!

Mariners bring RH Andrew Moore back by claiming him off waivers from Giants. He’s assigned to AA Arkansas. Nick Rumbelow DFA’d to open spot on 40-man.

— Greg Johns (@GregJohnsMLB) May 17, 2019 After a brutal outing last night, it shouldn’t come as a surprise to see Erik Swanson sent down for a regroup in Triple-A. The big righty showed flashes of potential over his first seven Major League games (six starts): he walked just five hitters,…