Top Yankees Prospect Set to Fly Up the Ranks Out of the Bullpen

Carlos Lagrange burst onto the national baseball scene during this past spring training, where he lit up the radar gun and made many fans wonder when we would see him starting on the mound for the New York Yankees in 2026.

While the expectation remains that Lagrange, Just Baseball’s No. 53 overall prospect, will make his MLB debut in 2026 with the Yankees, the scenario and timeline have shifted slightly following recent developments.

In early June, the Yankees decided to transition Lagrange to a bullpen role in an effort to have him ready to be a ‘pen asset for the big-league club sooner rather than later.

This move was becoming more expected by many fans and media, as there was a clear need for velocity and strikeouts in the Yankees’ bullpen. Lagrange fit that need perfectly.

Some may say the switch is a developmental step back for Lagrange, who is a potential starting pitcher in the majors, but many others will point out the big role he could fill on this year’s team, which could only strengthen their World Series chances if all goes well.

There is tons of talk about how the transition has gone so far, as well as how the change impacts his current big-league timeline. Let’s dive into both of those topics.

Before the Switch

Many people might think that Lagrange was fully struggling as a starting pitcher and that the organization believes it’s time for him to make the switch. However, that is not the case here.

While his numbers aren’t as strong as a season ago — when he posted a 3.53 ERA, 1.20 WHIP, a .191 opponent batting average, and 168 strikeouts across 120 innings — Lagrange has still been far from getting blown up in 2026.

In 49 innings as a starter this season, Lagrange has recorded a 4.41 ERA, 1.33 WHIP, and a .215 opponent batting average with 63 strikeouts.

The command has always been a thing of note for the flamethrowing righty, and it’s still something to watch. Lagrange had 25 walks and four hit batters in 2026 before the switch to the bullpen.

The move appears to be a clear attempt to bolster the Yankees’ big-league roster and strengthen their push for a 28th World Series title. It reflects a win-now approach rather than a setback in Lagrange’s development as a starter, while also highlighting just how highly the organization values his talent.

I would expect that even if Lagrange is called up as a reliever this season and contributes to the big-league club for the playoffs, the team will look to return him to a starting role next year.

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Transition to the Bullpen

When a starting pitcher transitions to a relief role, some growing pains are typically expected given the adjustment in routine and usage. However, Lagrange has handled the move smoothly so far.

Pitchers typically go through a build-up period in which they gradually increase their pitch counts and innings—whether returning from injury, ramping up for a new season, or both. In Lagrange’s case, however, the move to the bullpen has effectively created a “build-down” of sorts.

In his first appearance out of the bullpen since the announcement, Lagrange followed an opener and tossed four scoreless innings. Since then, he has shifted into shorter, higher-leverage, more traditional relief outings, hence the idea of a “build-down” period.

Now, in just his sixth bullpen appearance, he notched his first career save — a big change after starting games just a couple of weeks ago.

Unfortunately, Lagrange was tagged for five runs on four hits in just 0.2 innings of work in his latest outing on Sunday. However, it marked his first real speed bump out of the bullpen, as he had been largely lights-out prior to that appearance.

In his first seven bullpen appearances since the transition, Lagrange posted a 1.98 ERA, a 1.10 WHIP, and held opponents to a .188 batting average across 13.2 innings. The 23-year-old has also punched out 19 batters while walking just six since the role reversal.

Again, his Sunday outing will inflate the overall numbers, but context is also required. Lagrange allowed three “earned runs” on a miscommunicated dropped pop-up that cleared the bases but would have ended the inning with only one run of damage if caught.

This is a key reason why simply looking a minor league pitcher’s ERA without watching his outings can sometimes be misleading.

Another important factor to consider in Lagrange’s shorter appearances is how his velocity plays.

A starter like him, who can hit north of 100 mph, generally has to conserve energy throughout a start, which could limit his ability to consistently reach such velocities during any given outing. But when he only has to pitch in an inning or two, Lagrange can light up the radar gun consistently, and it only makes him that much more unhittable, especially with a plus slider and changeup that hitters have to respect.

For example, since moving to the bullpen, Lagrange has made four appearances of two innings or fewer, during which he has thrown 10 pitches at 100+ mph across just 4.2 innings. By comparison, in his final two starts before the switch—where he logged 10.2 innings—he threw only four pitches over 100 mph.

It’s a relatively small detail, especially since his arm could feel different in any given outing, but it was particularly interesting when I went to take a look at his numbers.

For Lagrange, the arsenal is clearly MLB-ready, but his bullpen outings will be worth monitoring closely—particularly his command and how he handles each new high-leverage situation he’s placed in.

So, When Will He Actually Debut?

This question has been asked more times than anyone can count, especially since the news of his transition to the bullpen, which was a clear move to fast-track him to the majors. So what’s the actual answer?

I am not a genie or an all-knowing being, but it feels like Lagrange is on track to debut in the next month or so, perhaps before the trade deadline comes around.

There is a strong case to be made that the Yankees’ front office and coaching staff would like to see Lagrange get some MLB action before the deadline, using it as an opportunity to better evaluate what their bullpen needs might look like heading into trade season.

If that holds true, then at some point in July, Lagrange should be in line for a call-up to make his MLB debut.

My only question is whether that happens before or after the All-Star break. On one hand, he could get more reps if the Yankees promote him before the deadline, but on the other hand, the timing right after the break could present challenges given the disruption in routine and the adjustment to major league life.

While the Yankees’ bullpen does rank fairly high in terms of ERA, WHIP, and other key metrics, they currently rank 24th in the entire league when it comes to reliever strikeouts, a factor that will certainly be more important come playoff time.

If the bullpen transition goes as planned, Lagrange could be an ideal piece for the Yankees’ relief corps—capable of handling late innings and providing swing-and-miss stuff when a strikeout is needed most.

The move is coming soon, and many fans can’t wait to see what Lagrange can do in the big leagues.