Ryan Sloan, the Mariners’ 19-year-old right-hander in his first season of pro ball, is quickly building a reputation as Seattle’s next great pitching prospect.

On Thursday, the Seattle Mariners officially kicked off trade deadline season by acquiring former All-star first baseman Josh Naylor from the Arizona Diamondbac

The Seattle Mariners have traded for first baseman Josh Naylor from the Arizona Diamondbacks in exchange for left-hander Brandyn Garcia and right-hander Ashton Izzi, the team announced Thursday.

Mariners No. 10 prospect Tai Peete belts his 16th home run of the season, a three-run homer to right, for High-A Everett

After adding first baseman Josh Naylor, the Mariners are off to a fabulous start at the trade deadline, but Dipoto isn't satisfied, telling MLB Network Radio on Sirius XM that the team will be as aggressive "as anybody" in the next few days to get bullpen help.

After reinforcing the infield with Ryan McMahon and Amed Rosario, the Yankees are seeking a starting pitcher, according to ESPN. They are not eager to trade top prospects George L

The first Diamondbacks trade domino has fallen, as first baseman Josh Naylor is heading to the Seattle Mariners.