Top 100 prospects: Injuries & roster moves

Here is the latest on injuries and roster moves involving MLB Pipeline's Top 100 prospects:

LATEST NEWS

No. 67 Jarlin Susana, RHP, Nationals
Status: Promoted to Triple-A
After his season was delayed until August due to a UCL tear that required surgery, Susana is making up for lost time. The Nationals flamethrower was bumped up to Triple-A to close out the regular season. Susana posted a 5.09 ERA with 34 strikeouts against seven walks in 17 2/3 innings spanning seven starts between High-A and Double-A. Following Rochester's potential playoff run, the 22-year-old right-hander, who possesses a 70-grade fastball and a 70-grade slider, will head to the Arizona Fall League, where he will be the highest-ranked pitcher on the circuit. (Last updated: Sept. 15)

No. 2 Leo De Vries, SS/3B, A’s
Injury: Anterior labrum tear in right shoulder
Expected return: 2027
The switch-hitting infielder underwent successful right shoulder surgery to repair an anterior labrum tear. The surgery addressed instability in the 19-year-old's shoulder. De Vries, who slashed .290/.378/.458 with 13 homers, 21 doubles, 63 runs, 55 RBIs and 34 stolen bases across 93 games at Double-A, will rehab in Arizona, with a potential recovery time of at least eight months. More » (Last updated: Sept. 14)

No. 31 Ralphy Velazquez, 1B/OF, Guardians
Injury: Lower body soreness
Expected return: Day-to-day
Velazquez has not played since Sept. 6 for precaution reasons due to lower body soreness. The Guardians expect the 21-year-old slugger to be back before the Triple-A regular season ends on Sept. 20. Velazquez has had a breakout season across Double-A and Triple-A, slashing .290/.380/.548 with career highs of 29 homers and 90 RBIs. (Last updated: Sept. 14)

No. 52 Robby Snelling, LHP, Marlins
Injury: Left elbow UCL sprain
Expected return: 2027
On May 22, Snelling underwent left elbow surgery, and the southpaw recently commenced an interval throwing program in Florida. Snelling landed on the 15-day injured list on May 13, just five days after his Major League debut. The 22-year-old had a 1.86 ERA and 44 strikeouts in 29 innings at Triple-A this season and gave up three runs over five innings in his lone big league outing. (Last updated: Sept. 14)

TOP 100 PROSPECT NEWS
(ordered by ranking)

No. 7 Seth Hernandez, RHP, Pirates
Injury: Left oblique strain
Expected return: 2027
Hernandez is expected to miss the remainder of his debut campaign after he landed on the injured list due to a left oblique strain he sustained in his July 24 start for High-A Greensboro. At the time of his injury, the 20-year-old ranked fourth in the Minors in strikeouts (118) and second in strikeout rate (40.4 percent) and posted a 2.43 ERA across 74 innings between two levels of A-ball. More » (Last updated: July 29)

No. 11 Roch Cholowsky, SS, White Sox
Injury: Right wrist soreness
Expected return: 2027
The 2026 No. 1 overall Draft pick's season has come to a close. Cholowsky -- who was out of High-A Winston-Salem's lineup since Aug. 15 -- will take the rest of the year to recover from right wrist soreness. Through nine pro games, he hit just .167 but racked up 10 RBIs and reached base 15 times. A consensus first-team All-American this spring for UCLA, the 21-year-old slashed .320/.452/.636 with 21 homers across 60 games, helping lead his club to an NCAA Tournament appearance. More » (Last updated: Aug. 22)

No. 20 Luis Peña, SS, Brewers
Injury: Lower left leg
Status: TBD
Peña left Double-A Biloxi’s Sept. 5 game in the bottom of the first inning after sustaining a lower left leg injury while stealing third base. He was carted off the field after the medical staff placed an air cast on the affected area. The 19-year-old missed time earlier this season both with dehydration and a hamstring injury. He hit .294 across three levels and .268 in his first 16 games with Biloxi after his Aug. 18 promotion. (Last updated: Sept. 5)

No. 24 Ethan Holliday, SS, Rockies
Injury: Stress fracture in left foot
Expected return: 2027
Holliday will undergo surgery for a stress fracture in his left foot and miss the remainder of the season, a source told MLB.com's Thomas Harding on May 29. Holliday, 19, batted .262 with nine home runs and 32 RBIs over 33 games in his first full professional season, but the No. 4 pick from the 2025 Draft had been red-hot during the month of May, producing a 1.083 OPS with 11 extra-base hits and 17 RBIs in 15 games. It wasn't clear when or how the injury occurred. More » (Last updated: May 29)

No. 33 Kaelen Culpepper, SS, Twins
Injury: Right shoulder contusion
Expected return: Day to day
Culpepper exited in the third inning of the Twins' contest on Sept. 12 after being hit in the back by a 95.3 mph four-seamer. Upon being hit, Culpepper dropped to the ground, where he stayed for a moment before walking to the dugout under his own power. The 2024 first-rounder underwent an X-ray on his shoulder, which came back negative. Prior to the injury, Culpepper was having a strong debut campaign in The Show, slashing .283/.342/.415 with three homers in 30 games. More » (Last updated: Sept. 12)

No. 36 Thomas White, LHP, Marlins
Injury: Left shoulder capsular sprain
Expected return: September
The 21-year-old landed on the Minor League IL back on May 20, before it was revealed he'd be down for the next 12-to-16 weeks due to a left shoulder capsular sprain. White had the start of his season delayed due to an oblique strain, before returning to strike out 35 batters in 24 2/3 frames across two levels. (Last updated: June 5)

No. 49 Felnin Celesten, SS, Mariners
Injury: Groin strain
Status: Placed on 7-day IL
Celesten will likely miss the remainder of the season after injuring his groin, MLB.com's Josh Kirshenbaum reports. The switch-hitting shortstop has been out of the Double-A Arkansas lineup since Aug. 27 and was placed on the injured list on Sept. 2. The club noted that the injury is a mild strain, but with the Minor League season nearing its end, there is a slim chance that Celesten returns to the field. The 20-year-old was having a breakout year prior to the injury. In 111 games between High-A and Double-A, he had tallied a career-high 16 homers and 25 stolen bases while slashing .273/.363/.458. (Last updated: Sept. 4)

No. 51 Travis Sykora, RHP, Nationals
Injury: Torn UCL
Expected return: Potentially late 2026
After an MRI unveiled a torn UCL, the right-hander underwent UCL reconstruction last August. The 21-year-old had been one of the Minor Leagues' most dominant pitchers last season, registering a 1.79 ERA across 12 starts while reaching Double-A. (Last updated: Feb. 26)

No. 56 Jamie Arnold, LHP, A’s
Injury: Intra-orbital and maxillary sinus fractures
Expected return: TBD
Arnold went to the hospital after taking a comebacker off the left side of his face in the first inning of his Triple-A start on Sept. 8. He suffered intra-orbital and maxillary sinus fractures, but surgery will not be required. After opening his professional career with 113 1/3 frames at Double-A, the 2025 11th-overall Draft pick was promoted to Las Vegas, where he spun five scoreless innings with five strikeouts on Sept. 1. The Florida State product has posted a 3.42 ERA with 130 strikeouts in his pro debut. More » (Last updated: Sept. 9)

No. 59 Tate Southisene, 2B/SS, Braves
Injury: Right wrist
Expected return: TBD
After receiving his second promotion of the season to Double-A, Southisene was hit by a pitch on his right wrist in his second at-bat during his Columbus debut on July 28 and exited the game the following inning. The Clingstones subsequently put him on the seven-day IL. The 19-year-old infielder stands first in runs (72), second in walks (65) and tied for second in stolen bases (45) in the Braves' system. Southisene hit .279/.408/.469 between Single-A Augusta and High-A Rome this season and is tied for 11th in the Minors in steals. (Last updated: July 29)

No. 61 Billy Carlson, SS, White Sox
Injury
: Left leg infection
Expected return: 2027
Carlson will be shut down from game action for the rest of the season as he deals with a skin infection on his left leg and the ensuing treatment. The 2025 first-rounder was placed on the injured list on Aug. 12 after last appearing in a game for Single-A Kannapolis on Aug. 9. The 20-year-old shortstop also missed nearly two months earlier this season with a fractured thumb. Carlson hit .256 with 20 RBIs in 57 games at Single-A this season. More » (Last updated: Aug. 22)

No. 62 Aiva Arquette, SS, Marlins
Status: Placed on 7-day injured list
Arquette landed on Double-A Pensacola's injured list ahead of its first-round playoff series with an undisclosed injury. This is the third IL stint of the season for the 2025 seventh overall pick after he underwent core surgery in February and suffered a left thumb injury at the end of June. The Oregon State product slashed .272/.326/.459 with 12 homers and 21 steals in 64 regular season games. (Last updated: Sept. 13)

No. 68 Josue Briceño, C/1B, Tigers
Injury: Right ankle sprain
Status: Placed on 7-day IL
On Aug. 29, Briceño considered tagging up from second on a fly ball to right, but was tagged out following a partial slide back to the base. The Tigers' No. 5 prospect immediately grabbed his right foot, then appeared to shake it out after standing. Briceño was removed the following frame and placed on the injured list on Sept. 2. The 21-year-old has been limited to 42 games this season following surgery on his right wrist. Briceño has an .828 OPS with nine homers across four levels this season. (Last updated: Sept. 3)

No. 76 Caden Scarborough, RHP Rangers
Injury: Right elbow strain
Return: 2027
Scarborough will be shut down for the next four-to-six weeks with a right elbow strain. The Rangers' No. 2 prospect was participating in the organization's pitching lab this week but did not recover well. The 6-foot-5, 185-pound righty posted a 5.03 ERA, a 1.08 WHIP and struck out 48 over 48 1/3 innings this season in 12 starts at High-A Hickory. More » (Last updated: Sept. 4)

No. 98 Ramon Marquez, RHP, Giants
Status: Placed on 7-day injured list
Marquez landed on the injured list on Aug. 25 with an undisclosed injury. The 20-year-old made two starts with High-A Eugene after the Giants acquired him in the Luis Arraez trade and has a 2.22 ERA with 105 strikeouts and 20 walks across 69 innings this season. (Last updated: Aug. 30)

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