The Red Sox acquired Seattle reliever Isaiah Campbell from the Mariners on Friday. (AP photo)

BOSTON — Former Red Sox baseball head Chaim Bloom’s only trade deadline move this past season is now his successor Craig Breslow’s first deal on the job.

The Boston Red Sox had a busy Friday, as they acquired right-handed pitcher Isaiah Campbell from the Seattle Mariners, in exchange for infielder Luis Urías.

Campbell, 26, went 4-1 with one save, a 2.83 ERA (9 ER/28.2 IP), a .210 opponent batting average, and 33 strikeouts in 27 games for the Mariners during 2023, his Major League debut. The right-hander was one of eight rookies last season to make at least 25 appearances and post an ERA below 3.00.

He owns a 2.01 ERA (20 ER/89.2 IP) in 61 career minor league games (four starts), including a 2.63 ERA (8 ER/24.0 IP) in 23 games for Double-A Arkansas in 2023. The Portugal native was selected by Seattle in Competitive Balance Round B of the 2019 First-Year Player Draft out of the University of Arkansas, where he earned a degree in criminal justice.

Urías, 26, was acquired from the Milwaukee Brewers on August 1 and played in 32 games for the Red Sox, batting .225 (20-for-89) with 13 runs scored, four doubles, two home runs, and 13 RBI.

The right-handed hitter played in 52 Major League games overall during 2023, appearing in 39 at second base and 19 at third base.

Urías, 26, hit just .194 between the two teams last season, but played in 119 games in 2022 and a career-high 150 games in 2021 both with the Brewers. Seattle will be hoping it gets the 2021 version of Urías, who hit .249 with 23 homers and 75 RBIs with the Brewers.

OTHER MOVES

The club announced it will not tender a 2024 contract to right-handed pitcher Wyatt Mills. As a result, Mills will become a free agent.

Boston will tender 2024 contracts to all 29 remaining unsigned players on their Major League roster. Eight players are already under contract for 2024: Rafael Devers, Kenley Jansen, Chris Martin, Rob Refsnyder, Chris Sale, Trevor Story, Garrett Whitlock, and Masataka Yoshida.

The Red Sox’ 40-man roster is now at 37.

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