With the baseball season in full swing, it's time to take a closer look at some of the top prospects pushing for a promotion in the Minor Leagues. From the American League to the National League, these players are making their case for a higher level of competition. Here's a breakdown of some of the most intriguing prospects from each farm system.
American League East
Blue Jays: Sean Keys, INF
Keys, a left-handed slugger, has been on fire at Triple-A Buffalo, with a .355 average, seven extra-base hits, and eight walks in just 10 games. His power and performance at Double-A New Hampshire make him a strong candidate for a promotion to the corner infield spots in Toronto.
Orioles: Joseph Dzierwa, LHP
Dzierwa, a 6-foot-8 left-hander, has dominated in the Eastern League with a 2.41 ERA, .183 BAA, and 11.1 K/9 rate. He's third in all of the Minors with 83 strikeouts and has earned a bump up to Triple-A, where he's poised to help the big league club.
Rays: Theo Gillen, OF
Gillen, the 2024 18th overall pick, has taken his game to a new level in his second full season. With 10 homers in 52 games at High-A Bowling Green, he's showing off his power and speed, leading to a .333/.442/.571 line in the South Atlantic League.
Red Sox: Franklin Arias, SS
Arias, a 20-year-old shortstop, has boosted his stock with a .313/.397/.571 line in Double-A. The Red Sox signed him for $525,000, and he's ready to be tested in Triple-A, showcasing his glove and bat.
Yankees: Carlos Lagrange, RHP
Lagrange, a right-hander, has been a standout in his new role as a reliever, posting a 2.79 ERA with 15 strikeouts in 9 2/3 Triple-A innings. He's armed with a 103-mph fastball and a mid-80s slider, making him a valuable asset for the Yankees.
American League Central
Guardians: Braylon Doughty, RHP
Doughty, a 20-year-old right-hander, has a 3.21 ERA and 60/11 K/BB ratio in High-A. With a 92-95 mph fastball and a high-spin breaker, he's ready to handle Double-A hitters.
Royals: Blake Mitchell, C
Mitchell, a special case with a .988 OPS and 150 wRC+, has been on fire in High-A Quad Cities. He leads the Minors with 64 walks and a 25.7 percent BB rate, making him a strong candidate for a promotion.
Tigers: Brett Callahan, OF
Callahan, a 24-year-old outfielder, has been on a power surge in Double-A Erie, with five homers and a .717 slugging percentage in June. He's a plus runner and above-average defender, making him a strong candidate for a Triple-A test.
Twins: Marek Houston, SS
Houston, a 24-year-old shortstop, has been on fire in June with a .425/.538/.600 line. He's a strong candidate for a promotion to Double-A Wichita, where his defense and hitting will be tested.
White Sox: Ryan Burrowes, INF/OF
Burrowes, a versatile player, has been a standout in High-A, with a .252/.367/.371 line and 23 steals. He's a strong candidate for a promotion, showcasing his speed and versatility.
American League West
Angels: Tyler Bremner, RHP
Bremner, a right-hander, has been dominant in High-A Northwest League, with a 2.19 ERA and 13.5 K/9 rate. He's a strong candidate for a promotion to Double-A Rocket City once he's back to full strength.
Astros: Bryce Mayer, RHP
Mayer, a 16th-round pick, has consistently missed bats in Double-A with a low-90s fastball and a low-80s slider. He's a strong candidate for a promotion to Triple-A.
A's: Zane Taylor, RHP
Taylor, a 24-year-old right-hander, has been a standout in High-A Midwest League, leading in ERA, WHIP, and K/BB. A promotion to Double-A Midland would provide a true sense of his future.
Mariners: Kade Anderson, LHP
Anderson, a 24-year-old left-hander, has dominated in Double-A Arkansas with a 1.13 ERA, .157 BAA, and 0.66 WHIP. He's a strong candidate for a promotion to Triple-A.
Rangers: Paxton Kling, OF
Kling, a 23-year-old outfielder, has shown plus raw power and speed in High-A. A promotion to Double-A will reveal more about his future.
National League East
Braves: Eric Hartman, OF
Hartman, a 20-year-old outfielder, has a .954 OPS in 59 games. His speed and power make him a strong candidate for a promotion to Double-A Columbus.
Marlins: Brendan Jones, OF
Jones, a 24-year-old outfielder, has been on fire in Double-A, with a .230/.340/.448 line and 22 steals. He's a strong candidate for a promotion.
Mets: Jonathan Santucci, LHP
Santucci, a 23-year-old southpaw, has been dominant in Double-A with a 2.84 ERA and 32 strikeouts. He's a strong candidate for a promotion to Triple-A.
Nationals: Yohandy Morales, 1B/3B
Morales, a 1B/3B, is pushing for a Major League debut with a strong pro season. His 15 homers for Triple-A Rochester make him a strong candidate.
Phillies: Francisco Renteria, OF
Renteria, a 17-year-old outfielder, has been raved about by the Phillies for his tools and aptitude. A promotion to the DSL mid-season would be a strong possibility.
National League Central
Brewers: Alexander Frias, OF
Frias, an 18-year-old outfielder, has been dominant in the ACL with a .404/.492/.644 line. He's a strong candidate for a promotion to Double-A.
Cardinals: Joshua Báez, OF
Báez, a 22-year-old slugger, has been on fire in Triple-A Memphis with a .726 slugging percentage and 17 homers. He's a strong candidate for a promotion.
Cubs: Kane Kepley, OF
Kepley, a high-energy player, has been a standout in High-A Midwest League. He's a strong candidate for a promotion to Double-A.
Pirates: Murf Gray, 3B
Gray, a college draftee, has been raking in High-A Greensboro with a 1.091 OPS. He's a strong candidate for a promotion to Double-A.
Reds: Steele Hall, SS
Hall, a high school hitter, has been dominant in the ACL with a .307/.421/.583 line. He's a strong candidate for a promotion to Double-A.
National League West
D-backs: Daniel Eagen, RHP
Eagen, a 23-year-old right-hander, has settled in nicely in Double-A Amarillo after a bumpy start. He's a strong candidate for a promotion to Triple-A.
Dodgers: Charles Davalan, OF
Davalan, a 2025 supplemental first-round pick, has been a standout in High-A with a .271/.404/.452 line. He's a strong candidate for a promotion.
Giants: Trevor Cohen, OF
Cohen, a 2025 college class player, has been a standout in High-A Northwest League. He's a strong candidate for a promotion.
Padres: Ryan Wideman, OF
Wideman, a 2025 third-rounder, has been on fire in Single-A Lake Elsinore with a .323/.394/.520 line. He's a strong candidate for a promotion.
Rockies: Roldy Brito, OF/2B
Brito, a 19-year-old outfielder, has been impressive in Single-A Fresno. He's a strong candidate for a promotion to Double-A.
