The Seattle Mariners bolstered their bullpen thanks to the addition of a Los Angeles Dodgers pitcher who was viewed as expendable.

On Sunday, Jim Callis and Jonathan Mayo of MLB.com chose the "toughest Rule 5 decision" for every team this year, and for the Mariners, they picked right-handed pitcher Michael Morales, who ranks as the No. 18 prospect in the Seattle system right now.

Mariners have a decision to make on trading Harry Ford originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here. The Seattle Mariners have gotten the biggest piece of their offseason business done already by re-signing Josh Naylor from free agency.

Robinson Ortiz had a good outing yesterday for AAA OKC. 1.1IP | 1H | 0R | 1K | 0BB Ortiz lowered his ERA to 2.64, and he has 72 Ks in 58 innings. His ERA at the AAA level has been 2.40, so he's had a VERY good year. If he continues to make this kind of progress, I would have… pic.twitter.com/zbN7xz3yhI

The Seattle Mariners finally got going with their offseason plans on Sunday night when they re-signed Josh Naylor to a five-year contract. Naylor was their top

Mariners given A- grade for statement free agent signing originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here. The Seattle Mariners got the MLB offseason rolling on Sunday. The first big salvo has been fired out of the Pacific Northwest with a star signed to a new five-year deal.