Dynasty Baseball Prospect Update: How are Prospects Ranked 11-30 Performing in Triple-A?

Providing updates on MLB prospects ranked 11-30 who are playing in Triple-A.

The other day, I started a series on some of the MLB’s top prospects who are currently playing in Triple-A.

After looking at prospects inside the top 10, it’s time to discuss prospects ranked between 11-30.

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Prospects Ranked 11-30

Minnesota Twins’ Brooks Lee, Chicago Cubs’ Cade Horton, Baltimore Orioles’ Coby Mayo and Heston Kjerstad, Milwaukee Brewers’ Jeferson Quero, Cincinnati Reds’ Noelvi Marte and New York Yankees’ Jasson Dominguez are all ranked between 11-30 and playing in Triple-A.

Lee is a 23-year-old switch-hitting shortstop. He was drafted in 2022 and already got some run in Triple-A in 2023. Lee might already be in the big leagues if he had played more than 23 games this season.

In his 38 Triple-A games in 2023, Lee had a .237 average and .304 on-base percentage. In 13 AAA games this season, Lee is at a .351 average and .383 OBP.

Lee is a career .292 hitter in the minor leagues, and probably just needs a little bit more seasoning before he gets a call up. He’s got a little pop, but is known most for racking up hits and not striking out a bunch.

The problem for Lee is that he’s blocked by Willi Castro, Royce Lewis and Carlos Correa at 2B, SS and 3B, respectively. An injury could give Lee a crack at the big leagues, but right now, things looked crowded. The DH spot could also help Lee out, but I’m guessing he’s not going to get a call until at least after the trade deadline, and he might have to wait until September after dealing with injuries this season.

Horton is a right-handed throwing pitcher who was drafted in 2022. He started pitching in the minor leagues in 2023 and made it up to Double-A. He briefly was at Double-A this season before being promoted.

In 18 AAA innings so far, Horton has a 7.50 earned run average. He’s got a much better 3.15 ERA mark over 122 2/3 innings in his minor league career. Horton has 157 strikeouts during his time in the minors so far, showing he could be a frontline starter in the MLB some day.

At just 22 years old, Horton has a very bright future, and I’d be surprised if he’s not in the big leagues at some point this season. I’d guess the Cubs would like Horton to turn in a few strong AAA starts before giving him a chance in the big leagues. 

Injuries could change the timeline, but a post-trade deadline callup seems fairly possible for Horton. Unless he’s dealing with injuries, I’d guess he gets a shot at least in September.

Mayo has been a big part of some of the prospect stories I’ve written for FantasySP this season.

He recently dealt with an injury, so he got a few games in at High-A, but has otherwise spent the rest of the season in Triple-A. In his 45 AAA games, Mayo has a .299 average and .363 OBP, along with 14 home runs, 39 RBIs and 45 runs scored.

On a bunch of other MLB franchises, Mayo would already be in the big leagues, but he’s blocked by a pretty talented Orioles’ starting lineup. Injuries or a trade could help Mayo reach the bigs, and I’d expect it to happen relatively soon. My guess would be that he’s playing for the Orioles before the trade deadline.

There’s really not much left for Mayo to prove in the minor leagues, so it’s really just a matter of time and an open opportunity that Mayo needs now.

Kjerstad has had a couple of MLB stints over the 2023-24 seasons, but has struggled to a .205 average and .286 OBP. He’s got 16 strikeouts in 44 MLB at-bats.

In the minor leagues, Kjerstad also has nothing left to prove. He’s a career .303 hitter across three seasons. He can hit for power (15 homers in Triple-A this season) and hits around .300 but does struggle with strikeouts.

Again, I think he’d be an everyday starting option for a lot of MLB teams, but with Baltimore, he’s stuck in a platoon when he’s in the big leagues. He also could be part of a trade deadline deal with Mayo, so I think Kjerstad’s time in the MLB will be here shortly. Keep a close, close eye on him and all the trade rumors as the deadline closes in.

Quero is a 21-year-old, right-handed hitting catcher who has an ETA of 2025 for a lot of prospect sites. You might wonder why that’s the case considering that he’s already in Triple-A, but the young catcher underwent shoulder surgery in April and won’t be playing again until 2025.

Quero has a .278 average across parts of four minor league seasons, although he only got in one inning of play in AAA this season before getting injured. He homered 26 times across 185 games between 2022-23 and keeps his strikeout numbers fairly low.

He’ll likely be blocked by William Contreras in Milwaukee for the extended future, so the Brewers will likely need to flip one of the catchers to the DH spot so that both guys can get in the lineup.

It’d be tough for him to skip over Triple-A and start the 2025 season in Milwaukee after the injury, but depending how his rehab and spring training go, it isn’t crazy to envision it happening.

Marte was a trendy pick in a lot of fantasy baseball mock drafts going into the season, but was suspended 80 games in March, which obviously derailed his fantasy value. Marte can return to the field on June 27, so if you are hoping to add him, do it now before it’s too late.

In 35 games last year, Marte hit for a .316 average and got on base at a .366 clip. He had 10 extra-base hits among his 36 total knocks, drove in 15 runs, scored 15 times and stole six bases. Marte walked eight times and was a strikeout victim 25 times.

I’d expect the Reds to immediately call Marte up when his suspension is over, and because he got to ramp up in Triple-A for a couple weeks, I’d expect Marte to immediately have good fantasy value.

It’d be nice if he performs as well as he did last season, but taper your expectations and expect a little regression. Marte still should be a good fantasy option, and someone who is owned in every league in a short order.

Domínguez made his MLB debut in 2023 for the Yankees, playing eight games before needing Tommy John surgery. He was ramping things up and had played 17 minor league games this season before suffering an oblique injury that will keep him out at least eight weeks.

That makes it seem pretty unlikely that Dominguez could return to the MLB this season. There’s an outside chance he gets called up again in September, but with the Yankees likely competing for a division title, I can’t envision a ton of playing time for Dominguez, so the team might just shut him down and look forward to a healthier 2025 campaign.

He’s shown great potential when on the field, but injuries should definitely have dynasty owners a little worried for the long run.

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