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Juneiker Caceres, OF, Guardians: Last year, Caceres was one of the best prospects in the Dominican Summer League. This summer, he was one of the best prospects in the Arizona Complex League. Now, all signs are pointing to him being one of the best prospects in the Carolina League.

The 18-year-old outfielder was bumped to Low-A Lynchburg after the close of the ACL season, and he posted a .676 OPS over 130 plate appearances. A respectable full-season debut, to be sure. He upped his game a notch in the postseason. Over five games during the Hillcats' run to the Carolina League crown, Caceres went 6-for-19 with three walks and just one strikeout in 23 plate appearances.

His at-bats were mature, and his swing from the left side was short, quick and designed for plenty of contact. In the championship-clinching game, he opened things by drawing a four-pitch walk against rising Royals prospect Kendry Chourio. The free pass was particularly notable considering Chourio had issued just five of them over 51.1 innings during his run from the DSL to Low-A.

Caceres finished the night with two singles, a walk and two runs scored. In a few months, he'll add a championship ring as well.

Spencer Jones, OF, Yankees: Throughout his entire Yankees career, Jones has been prone to extremes. Jones can burn white hot. But when he's not, he's not, and there's little middle ground for the 6-foot-6 slugger. After a month of struggles, Jones appears to be on the brink of another hot streak after hitting a pair of homers on Wednesday. Jones displays outlier power, but his struggles with spin and higher chase rates could lead to significant struggles in the majors.

Luis Perales, RHP, Red Sox: Perales returned from Tommy John surgery last weekend for Double-A Portland, and on Wednesday he made his Triple-A debut in Worcester, striking out the side over one inning of work. Arguably the most impressive part of Perales’ outing? He didn’t throw a single fastball, instead leaning on cutters and changeups exclusively. The one-time Top 100 Prospect will likely pitch again in relief later this week for Worcester as he continues to build himself back up off of surgery.

Joe Mack, C, Marlins: Mack put himself on the map in 2025. He has shown excellent defensive skills combined with a powerful bat, a profile that could make him very valuable for the Marlins in the coming years. On Wednesday, Mack belted his 18th Triple-A homer--and 21st of the season--against Norfolk in the first two games of a doubleheader. Mack should be up with the Marlins next year and is the likely long-term answer at catcher.

Robby Snelling, LHP, Marlins: Snelling has bounced back in a major way in 2025. He has shown the best stuff of his career, and his results may be even better than when he won 2023 Minor League Pitcher of the Year. Snelling continued his run of dominance on Wednesday by tossing five more scoreless innings for Triple-A Jacksonville and lowering his ERA to 1.27 over 63.2 innings at the level. The lefthander struck out seven, walked three and yielded two hits. Snelling looks like a midrotation starter in the making and should be up with the Marlins early in 2026.

Editor’s Picks

Inside Miami’s Revamped PD: For years, the Marlins have lagged behind in rivals in resources, facilities and, most importantly, wins. Now, a shift in organizational culture aims to change that. Read more…

10 NL Sleepers: Geoff Pontes pops the hood on some NL hitting prospects to find sleepers for 2026 with intriguing Statcast metrics. Read more…

Baseball America Helium Pick Of The Day

Each day, we’ll pick a prospect that has our attention.

Diego Tornes, OF, Braves: The headliner of the Braves' 2025 International signing class, Tornes impressed in his professional debut in 2025. He hit .279/.395/.402 over 32 games, was selected as a Dominican Summer League all-star and ranked fourth in our top 35 DSL prospect ranking.

Tornes' underlying data is strong, and he shows a nice blend of skills. Despite not hitting any home runs in DSL play and beginning the season at just 16 years old, Tornes displays plus underlying exit velocity data. His 105.4 mph 90th percentile EV was the fifth-highest mark among Braves prospects and the highest in the organization among players 21 or younger.

Tornes should debut stateside in 2026 and is a name to monitor. 

Quick Hits

Prospect news and notes from around baseball…

• Braves RHP Hurston Waldrep punched out eight more batters last night and recently graduated from prospect status. He’s now 5-1, 3.04 with 50 strikeouts in 50.1 innings this season.

• Red Sox righty Tyler Uberstine struck out six batters over five scoreless innings and has not allowed a run over his last 10 Triple-A innings.

• The Red Sox are also planning to use LHP Payton Tolle out of the bullpen for the remainder of the season.

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