In this MLB mock trade, the Boston Red Sox send star third baseman Alex Bregman to the Seattle Mariners in exchange for ace Luis Castillo and key offensive depth, shaking up the playoff race before the 2025 trade deadline.

Fujinami has signed a deal with the Yokohama DeNA BayStars of NPB, that team announced. Seattle released Fujinami from the minors last week, presumably to pursue such a new contract. The 6-foot-6 righty throws hard and joined the A's in 2023. He had an 8.57 ERA with Oakland, though.

Per MLB.com's Daniel Kramer, the Mariners and LSU star pitcher Kade Anderson agreed on a signing bonus worth around $8.8 million. That signing bonus is $700,000 lower than the slot value for the No. 3 pick, Kramer noted, so Seattle will get some flexibility with the leftover money.

The Seattle Mariners had one of the better classes in the 2025 MLB Draft, which was highlighted with the No. 3 overall pick, left-handed pitcher Kade Anderson.

Jorge Polanco and Cole Young hit back-to-back solo home runs in a four-run ninth inning and the Seattle Mariners beat the Detroit Tigers 8-4 to complete a three-game sweep.

"I think the Seattle Mariners are going to be aggressive. And I think they should be," ESPN's Jeff Passan said about the upcoming trade deadline.

A trio of Seattle Mariners stars were involved in some unique baseball history at Tuesday night's MLB All-Star Game in Atlanta. First, M's catcher Cal Raleigh,

Mariners catcher Cal Raleigh gets the start behind the dish tonight in the 2025 MLB All-Star Game, live from Atlanta, Georgia.