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Winston Santos & Alejandro Rosario, RHPs, Rangers: The end of the first half of the MiLB season has meant its moving day for a number of prospects. We’ll likely see more promotions over the next few days, but the Rangers have made a couple of promotions official, as righthanders Winston Santos and Skylar Hales are being promoted from High-A Hickory to Double-A Frisco. Righthander Alejandro Rosario, lefthander Kohl Drake and infielder Gleider Figuero are being promoted from Low-A Down East to High-A Hickory. Rosario was a pitcher we highlighted recently, as he’s found much more success as a pro than he did in college, and Santos cracked our list of breakout pitching prospects yesterday. 

Heliot Ramos, OF, Giants: There have been plenty of disappointing developments for the Giants in 2024. Jung Ho Lee is sidelined with a season-ending injury and 60% of the starting rotation, including free agent acquisition Blake Snell, are also on the injured list. But the Giants do have reason to be encouraged by the development of outfielder Heliot Ramos. Ramos had struggled in callups to San Francisco in 2022 and 2023, but he’s claimed the team’s center field job after Lee’s injury. Ramos went 3-for-4 with a double on Monday raising his batting average back above .300. He’s now hitting .301/.375/.534 with 10 home runs in just 42 games.

Heston Kjerstad, OF, Orioles: Kjerstad went 2-for-4 with a double on Monday in his return to the major leagues. That double is Kjerstad’s first extra-base hit in the majors this season. He had struggled in a brief stint with Baltimore earlier this season, but he was hamstrung by sporadic playing time. He only had four starts in 18 days in his first stint in Baltimore this season. Kjerstad had hit .300/.397/.601 in Triple-A this year and seems ready for at least a platoon role in Baltimore facing righthanders.

Yasser Mercedes, OF, Twins: It’s never a great sign when a minor leaguer is asked to repeat the same level as the year before. But if a prospect is asked to repeat a level, the hope is that the player will use the assignment to fix some of his biggest issues and then use it as a leaping off point to jump to the next level. Sent back to the Florida Complex League after hitting .196/.248/.381, Mercedes has had much better success in his second try at the FCL. Mercedes went 2-for-4 with his third homer of the season on Monday. He’s now hitting .315/.408/.509 this season.

Paul Wilson, RHP, Tigers: Wilson, the Tigers’ third-round pick in 2023, has found the Florida Complex League to be a challenge. In his eighth outing of the season on Monday, Wilson allowed five hits, four walks and four earned runs in three innings of work, raising his ERA to 5.13. Control has been Wilson’s biggest issue. He’s walked as many batters as innings pitched in every one of his outings. He has a 22.9% walk rate this season, and has 30 walks compared to 27 strikeouts in 26.1 innings.

Want to get ahead? Each day we’ll surface one prospect from recent Baseball America coverage who could be on the rise.

Baseball America Helium Pick Of The Day

Logan Wagner, 3B, Dodgers: Wagner made the Hot Sheet last week, but he’s been doing it all season. Wagner now ranks in the top 15 for RoboScout, ahead of Aidan Smith (Mariners), Max Clark (Tigers), and even Aidan Miller (Phillies). The 155 wRC+ as a 20-year-old is nice, but RoboScout really likes the underlying Statcast data. Wagner has a howitzer for an arm, above-average contact rate and a plus barrel rate, chase rate and 90th percentile exit velocity. The Dodgers’ prospect infield depth is crowded, but Wagner is in the same conversation as Jeral Perez and Alex Freeland as the most impressive Dodger infield pop-ups of 2024. You can see RoboScout’s weekly prospect rankings below.