The Mariners acquired veteran first baseman Josh Naylor from the D-backs, and the return features two of Seattle’s Top 30 prospects, per MLB Pipeline.

Naylor is looking forward to the opportunity to bat cleanup in his first game with Seattle against the Los Angeles Angels on Friday night.

The Seattle Mariners acquired first baseman Josh Naylor from the Arizona Diamondbacks on Thursday, a person familiar with the deal told The Associated Press, as the franchise tries to beef up it’s ro...