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Rainiers Offseason Tracker

By Andy Helwig
January 15, 2026

With the offseason now in full swing, moves are being made, contracts are getting signed and the stove is hot. While many keep their focus on Major League signings across the league, the Mariners have made a handful of moves that could fill out the Rainiers’ roster in 2026. Here

With the offseason now in full swing, moves are being made, contracts are getting signed and the stove is hot. While many keep their focus on Major League signings across the league, the Mariners have made a handful of moves that could fill out the Rainiers’ roster in 2026. Here are some of the offseason pickups that could potentially suit up for Tacoma this season.

Disclaimer: these are not official roster announcements, merely projections of players that may play for Tacoma in 2026

Brennen Davis - OF

A former top prospect in the Chicago Cubs system, Davis signed a minor league contract with the Mariners on December 18, 2025. Davis had spent the bulk of his career with Chicago after they drafted him in the second round of the 2018 draft. In 396 games across seven minor league seasons, Davis has hit .242 with 68 doubles, three triples and 65 home runs, driving in 204 runs. While injuries have gotten in the way, Davis has maintained solid power, cranking 17 home runs in just 50 games last season between Triple-A Scranton/Wilkes-Barre and minor league rehab assignments with the FCL Yankees and Double-A Somerset. The key for him in 2026 will be staying healthy, as he looks to eclipse 100 games played in a season for the first time in his career.

Randy Dobnak - RHP

Dobnak skyrocketed through the Minnesota Twins' organization in 2019, going all the way from High-A to the Major Leagues. From 2020 through last season, Dobnak bounced between the Major Leagues and Triple-A, both as a starter and a reliever. Signed out of independent baseball by Minnesota in 2017, Dobnak owns a career ground ball rate of 56.8%. He has utilized a sinker and slider combination to keep the ball on the ground and in the yard. Dobnak became Triple-A St. Paul's first 10-game winner in 2024, when he went 12-7 with a 4.25 ERA. The right-hander was traded in 2025 from Minnesota to Detroit as part of the Chris Paddack deal. Between St. Paul and Triple-A Toledo, Dobnak went 2-8 with a 5.84 ERA. Dobnak signed a minor league contract with Seattle on November 17, 2025.

Alex Hoppe - RHP

One of the first moves of the offseason by Seattle, Hoppe was acquired via trade with Boston on November 18 in exchange for C Luke Heyman. The right-handed flamethrower got his first taste of Triple-A experience last season, making 37 relief appearances for Triple-A Worcester. He went 0-2 with a 4.76 ERA, allowing 31 earned runs in 61.1 innings. Hoppe was originally drafted by the Red Sox in the sixth round in 2022 out of UNC Greensboro, rapidly climbing the minor league ladder. He struck out a career-high 73 hitters last season, allowing 34 walks. Hoppe boasted one of the fastest fastballs in Triple-A last season, averaging 98.1 miles per hour. Additionally, he keeps the ball on the ground, much like many Rainiers pitchers in 2025. His 57.4% ground ball rate was one of the best in the circuit.

Ryan Loutos - RHP

After bouncing between three different organizations in 2025, the Mariners claimed Ryan Loutos off of waivers from the Washington Nationals on November 6, 2025. Loutos started the 2025 campaign with Triple-A Memphis in the St. Louis system, then was traded to Los Angeles (NL), where he made two appearances for the Dodgers and seven for Triple-A Oklahoma City and finally claimed by Washington, making 10 outings for the Nationals and 23 for Triple-A Rochester. In 38 combined Triple-A appearances, Loutos went 4-1 with a 3.50 ERA, allowing 17 earned runs in 43.2 innings. He walked just 19 while striking out 42, holding the opposition to a .220 batting average. Loutos averages 95 miles per hour on his fastball, but capitalizes on his off-speed pitches to get chase outside the strike zone, leading to a solid 48.8% ground ball rate. Loutos spun a scoreless frame in his MLB debut in 2024, which can be seen here.

Robinson Ortiz - LHP

In another November trade by the Mariners, they acquired left-handed reliever Robinson Ortiz from the Los Angeles Dodgers in exchange for RHP Tyler Gough on November 16, 2025. Ortiz was recently selected by the Dodgers to the 40-man roster on November 6 to protect him from the Rule 5 Draft. Ortiz began the season with Double-A Tulsa, but got his first crack at Triple-A on August 12, making 15 appearances for Oklahoma City down the stretch. With the Comets, Ortiz went 1-0 with a 2.76 ERA, allowing five earned runs in 16.1 innings, holding opponents to a slim .190 batting average. Ortiz limits hard contact well with a slider that grades out as his best pitch, getting good swing-and-miss.

Carson Taylor - 1B/DH

Selected in the Triple-A Phase of the 2025 Rule 5 Draft from Philadelphia, Carson Taylor will be looking for a bounce-back season after missing nearly all of 2025 with injury. Taylor broke camp with Triple-A Lehigh Valley, playing in just three games before being sidelined. However, he made the most of his three games, going 5-for-7 with two doubles and a home run. Taylor spent most of the 2024 campaign with Double-A Reading, hitting .277 with 16 doubles, three triples, 16 home runs and 75 RBI over 109 games. He got his first taste of Triple-A at the end of the season, going 6-for-19 over six games. Taylor has split time primarily between first base and DH, making appearances at third base and did some catching from 2021-23. Taylor was previously selected by Philadelphia in the Rule 5 Draft in 2023, selecting him from the Dodgers minor league system.

Cole Wilcox - RHP

Another trade acquisition, Cole Wilcox was dealt from Tampa Bay to Seattle on November 5 in exchange for cash considerations. Wilcox spent the 2025 season primarily with Triple-A Durham, making 35 appearances for the Bulls. He went 2-5 with a 3.71 ERA, striking out 57 while walking 24 in 51.0 innings. Wilcox's contract was selected by Tampa Bay on September 17, making his Major League debut on September 19 against Boston, allowing three runs on four hits in 1.0 inning. In 2024, Wilcox was tabbed as Tampa Bay's No. 13 prospect by MLB Pipeline. In that 2024 campaign, his last as a starter, he made 28 starts with a 10-7 record with a 3.57 ERA between Double-A Montgomery and Triple-A Durham. Wilcox does have ties for a former Rainier as well, as he was traded from San Diego to Tampa Bay in December of 2020 along with C Blake Hunt (and two other players), as Blake Snell went to San Diego.