Mariners take a bittersweet loss as former breakout prospect joins A's

Toronto Blue Jays v Seattle Mariners | Steph Chambers/GettyImagesThe MLB offseason has reached that point where teams are mostly focused on finding enough bodies to populate a spring training roster. The Seattle Mariners have been doing a bit of this in their own right, adding Patrick Wisdom on a minor league deal on Wednesday.

Elsewhere in the AL West, the Athletics are also at it. And on Wednesday, they picked up a name that will be familiar to Mariners fans: Cade Marlowe.

Mariners take a bittersweet loss as Cade Marlowe joins A's

The transaction was relayed by Darragh McDonald of MLB Trade Rumors, who notes that Marlowe has been assigned to Triple-A Las Vegas. However, this is likely a case…