who is he? where is he from?
His name is Anthony Siegler. Haven’t you read enough in-field in-depth articles this winter? You’re in luck, because we have more.
The special infield depth player started 25 games at third base for the Brewers in the 2025 postseason after making his MLB debut in July. The 26-year-old southpaw from Cartersville, Georgia was a first-round draft pick of the Yankees (three picks ahead of Triston Casas!) and spent the first five years of his career with the organization. The Yankees and Red Sox crossovers don’t stop there, as he is the second Navajo player in history to make a major league roster, joining Jacoby Ellsbury.
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Is he that good?
Stop me if you’ve heard this before: He’s totally fine. This is great! Seigler has yet to quite find his home plate in his short major league career, batting just .194 with one extra hit (a double) in 62 at-bats. He fared much better in Triple-A, slashing .285/.414/.478. This is aided by his walk ability, which was close to 20% as a pro. He is very patient and very fast when he Do Hit it. Check out his Prospect Savant page for this hot chart (see at least 700 pitches.)
Seigler clearly has more work to do in keeping the ball out of the park, but it’s interesting to look at the small sample size of his major league spray chart below (blue represents fly balls) and note that the ballpark he played in last year in Nashville (a city that’s bound to have a major league team in the next few decades, in my mind) had a center field wall that was about 20 feet further away than where he’ll hit the ball in 2026 (we’re talking Worcester, here, not counting Fenway’s triangle…)
Another thing about Seigler: He played on the diamond, playing catcher and second base for the majority of his time in the minor leagues. If that’s not versatile enough for you, he’s drafted as a two-way player who can also throw, which is very useful in emergencies. However, I wouldn’t put a lot of faith in that since he’s only been asked to take the mound once in 2025. Plus, if you ask Alex Verdugo, he can throw up to 98 mph and should throw as well.
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Tl;dr, please give me his 2025 stats.
MLB: 34 G, .194/.292/.210, 0 HR, 5 RBI, -0.2 WAR, 16 K, 8 BB
AAA: 72 G, .285/.414/.478, 8 HR, 39 RBI, 59 K, 52 BB
Show me a cool highlight.
It was his first major league hit. His swing here is really interesting because he looks a little choked up. If you play well, great! With Seigler, however, you almost wonder if adjustments are needed.
But believe it or not, Seigler’s highlight was even cooler than his first game in the majors. That’s because, not only is he a two-way player; Throwing with both hands:
What is he doing in the photo?
Grinning, as if the Red Sox equipment team finally found the right bag for him.
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What will be his role with the 2026 Red Sox?
It’s really hard to say, depending on how good (and healthy) Durbin, Mayer, or whoever ends up playing third base is. Oddly enough, the Red Sox traded two pitchers when they acquired Durbin, even though some of those pitchers were left out of the rotation and Two potential replacements for Durbin, who is also just entering his second season on the show. If you see too much of Seigler outside of some of Worcester’s bright spots in 2026, it could be a sign that things are about to get really bad. But you never know: If you see enough of Seigler at Fenway, it could also mean things are going well for him soon.
