SEATTLE — The Seattle Mariners concluded the 2026 MLB Draft having gone with a heavy focus on college players.

The Mariners view this year's draft as much more favorable from a talent level with college players compared to high school players.

Seattle used Day 1 and the first half of Day 2 to focus on college bats, and used half of their final eight picks on pitchers.

Here's a breakdown on the Mariners' final eight picks of the 2026 MLB Draft:

Seattle continued to shift its focus to pitching with its later picks and took a right-handed reliever that seems to represent the team's "attack the zone, minimize" walks mentality.

Treto struck out 68 batters in 52.1 innings of work across 26 appearances this season. He walked just 17 batters and posted a 3.10 ERA.

The Mariners continued their run of late-draft pitching selections.

Diaz, who began his collegiate career with Miami before transferring to Florida Gulf Coast, posted a 3.98 ERA and fanned 74 hitters across 72.1 innings in 15 starts this year.

The switch-pitcher threw a complete-game shutout against Queens on April 18.

Diaz is currently committed to Arkansas after hitting the transfer portal again, but is expected to sign.

The M's went underslot with several of their Day 1 picks, which allowed them to sign several of the players, like Diaz, who had decent NIL offers and commitments on the table.

"We are gonna sign Chris Diaz, which is really another reason we slotted in the middle of the draft when we weren't really in on some of the high school kids," M's vice president of amateur scouting Scott Hunter said at T-Mobile Park on Sunday. " ... Don't chase upside that's not there just because they're a younger player. It gave us a little more buying power, so to speak. Chris had a really strong commitment to the University of Arkansas and after talking to him and after being able to work the numbers a little bit throughout the draft, we were able to get him to commit. He's extremely excited to the point he was one of the more emotional calls of the day."

Seattle returned to the Big Ten to add to the outfield depth in the farm system.

Sutherland slashed .325/.434/.572 with a 1.006 OPS in 53 games and hit 11 doubles, two triples and 11 home runs with 56 RBIs and stole 15 bases in 16 attempts.

On a pitcher-heavy Day 2, the Mariners selected their first southpaw from a smaller school.

Torres pitched the last two seasons for South Carolina Upstate in the Big South. He posted a 5.28 ERA and struck out 71 batters in 76.2 innings pitched across 18 appearances (16 starts).

Last year, Seattle used its Competitive Balance Round-A draft pick to select fringe-top 100 prospect and catcher Luke Stevenson.

The Mariners used their 17th-round pick this year to select a reliever that Stevenson caught at North Carolina.

Matthijs made 27 appearances out of the bullpen for the Tar Heels this season, posting a 6.39 ERA with 39 strikeouts in 31 innings pitched.

The first high school draft pick of the year for Seattle was Dominic Santarelli, who attends St. Joseph Catholic Academy in Kenosha, Wis.

The 6-foot-2, 230-pound outfielder is ranked as the 129th-best prospect in the draft, per MLB Pipeline. The site described his ceiling as a "more athletic Kyle Schwarber."

Santarelli is ranked as the 129th-best prospect available in the MLB Draft, but barring an unexpected development, it's unlikely he'll report to the Mariners. He's currently committed to LSU and is expected to go the collegiate route.

"Santarelli, we would have made a run at earlier in the draft, it just didn't work out, unfortunately," Hunter said. "Since he had such a strong commitment to LSU. We took that as a courtesy to him since he had such a good year, and then we'll see what happens if we end up getting any extra pool money because of a medical, god forbid."

The Mariners' penultimate pick was used on an effective slugger from a mid-major program the club has gone to several times in past drafts.

Petite, despite being listed at 6-foot, 200 pounds, slashed .274/.437/.548 with a .984 OPS in 63 games with Virginia Commonwealth this season. He hit 15 doubles, three triples and 14 home runs with 43 RBIs and snagged 22 stolen bases in 24 attempts.

Seattle's draft concluded with a versatile position player from a notable Power Four program.

Shouse played the corner outfield spots in college in addition to registering 14 outings out of the bullpen as a reliever.

As a hitter, Shouse slashed .353/.431/.595 with a 1.096 OPS in 54 games with the Red Raiders this season and hit 18 doubles, two triples and 10 homers with 66 RBIs.

Shouse, like Diaz, transferred Arkansas this offseason. Unlike Diaz, Shouse is expected to honor his commitment to the Razorbacks.

All of the Mariners' draft picks, with the exception of Shouse and Sabatelli, are expected to report to team minicamp later this week.

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