Franklin Arias Truly Broke Out In 2026, But There's Still Room To Grow For Red Sox's Top Prospect

[Nick John]

Franklin Arias was thought to have broken out in 2025 when he played at three minor-league levels, concluding his season with the Portland Sea Dogs. That season he hit .278/.335/.388 with 27 doubles, one triple, eight home runs and 66 RBIs in 116 games. But that was just the beginning for the Red Sox number one prospect as he put on a show in 2026.

Opening the season with Portland, the shortstop played 75 games at Double-A, dominating as he slashed .318/.407/.587 with 17 doubles, one triple, 19 home runs and 52 RBIs. The power surge was a welcome surprise, as his 19 home runs were one more than the 18 he had hit since making his debut back in 2023.

“He said he was working really hard in the off-season. He put all the work in, especially on his body and nutrition side. And at the complex in Fort Myers, they worked really hard with him. He’s really grateful that he put the work in as well so he can show up and have power as well,” Arias explained through Juan Montero back in July when asked about how power at the plate became a bigger part of his game.

The manner in which he was handling pitching and putting together quality at-bats quickly began a discussion about if he would be in Boston before the end of the season. In Portland, he started pulling pitches more while displaying a more patient, mature approach; he swung on just 43.4% of the pitches thrown to him but managed to make contact on nearly 90% of pitches in the zone.

Then, on July 24, he was one step closer to the Show, getting promoted to Triple-A Worcester. Despite how well he was playing, the young infielder was not thinking about any promotion, admitting that he was just trying to help Portland win as many games as they could while showing his abilities on the field.

“It’s something I've been dreaming of since I was a little kid,” Arias told the media through Montero. “Now that I'm here, I'm living my dream. Being one call away [from Boston], I'm really happy and grateful for the opportunity.”

With Worcester, he continued to play hard, appearing in 42 games at Triple-A where he hit .331/.388/.506 with 11 doubles, six home runs and 39 RBIs. But despite the success, there were still learning moments for the top prospect.

“It was a matter of time before he hit a couple balls hard and kind of got rolling,” acting manager Iggy Suarez explained following a 7-for-22 stretch in Norfolk that included two doubles, two home runs and six RBIs. “When you face older pitchers, when they start spinning the baseball at you, they want to see how you handle it. He was expanding the zone a little bit and then dialed it back. He let a couple pitchers know that he wasn’t going to swing at it and then forced guys to come in the zone and that’s when he was doing damage.

“He ambushed Chris Bassitt on the first pitch and that went out in a hurry. That’s when he started to get spin, started chasing and that’s when he realized what they were doing. It’s good to see that process going on in his head.”

Arias is well-known as a fastball punisher, though his skills against off-speed and breaking balls remain a work in progress. He’ll have to make an adjustment heading into 2027 if he and the organization plan for him to be a serious contributor at the major-league level. Sliders were thrown to him 23.8% of the time, yielding an expected batting average of .255 against the pitch. Fastballs, on the other hand, saw him have an xBA of .291 while whiffing just 11.11% of the time.

The story remained the same for most similar offerings. Sweepers (.217 xBA) and changeups (.098) neutralized him quite well, while sinkers (.413) and cutters (.381) could barely contain him.

Still, Arias played well despite the plan of attack from pitchers. In September, now fully adjusted to Triple-A pitching, the infielder went off in 14 games as he hit .407/.456/.576 with four doubles, two home runs and 15 RBIs. It was a spirited effort on his part, trying to will the WooSox into the playoffs.

“He’s an All-Star for sure,” Suarez explained about Arias during the final week of the season. “A freak of an athlete. You see the wiry frame and the impact he provides on the baseball. To be able to slow the game down and not let it speed up on him, I think he knew what was waiting for him here. Had a little bit of a couple bumps in the road here, but I think he’s adjusting to pitchers adjusting to him. Pretty impressive. He’ll chase but then he’ll recognize he’s chasing and adjust very quickly. I’m glad I have the front row seat to seeing it all.”

“He’s very slow, observant. The baseball IQ at such a young age, man, he’s smart. He sees a lot of the game and hearing him talk through things, I told him he has instincts. That’s hard to teach. For a 20-year-old in Triple-A knowing the whole hype and the lights he’s under, it’s awesome.”

Even with all the hype surrounding his name, there's still room to grow for Arias. In Worcester, he was less of the power hitter he was in Portland and closer to the elite contact hitter he was in 2024 and 2025. This was due in part to not pulling the ball as much, his pull-air rate dropping to 12%. The change in approach could have been due to how pitchers attacked him in Triple-A, but he still managed to flash some power down the stretch. Next year will be telling for Arias as to what kind of hitter he could truly be at the major-league level.

Amidst all of these developments, one thing is certain: After a second consecutive breakout campaign for the young infielder, Arias is on the fast track to the major leagues. In 117 games in 2026, he finished the season slashing .323/.400/.557 with 28 doubles, one triple, 25 home runs and 91 RBIs. The team thought about calling him up to Boston for the playoffs, sending him to Fort Myers with the other taxi squad players, but he was never added to the roster.

Regardless, the Red Sox has a special talent on their hands, and 2027 will be a fun year to follow his progression whether in in the minor or major leagues.

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