Trending Now - Marlins' Top Prospect White Sidelined by Oblique Strain

WHO:

Thomas White, Miami Marlins pitching prospect

Clayton McCullough, Marlins manager

Kazuma Okamoto, player who hit a two-run double against White

Aiva Arquette, Marlins shortstop and MLB Pipeline’s No. 47 overall prospect

WHAT:

Thomas White sustained a Grade 1 right oblique strain

Expected to miss three to four weeks

White pitched 28 pitches in his Grapefruit League debut against the Toronto Blue Jays, allowing a two-run double, issuing one walk, and striking out one batter

White's maximum velocity during the outing was 96.8 mph

White is ranked as baseball's No. 18 prospect and No. 1 in Miami's system by ESPN's Kiley McDaniel

Last season, White went 4-3 with a 2.31 ERA across three levels of the minors

Aiva Arquette underwent core muscle surgery and is out for 4-6 weeks

WHERE:

Jupiter, Florida

Miami Marlins organization

WHEN:

Injury occurred during the Grapefruit League debut on March 2, 2026

Opening Day for Triple-A Jacksonville is scheduled for March 27, 2026

WHY:

White felt discomfort during his pitching outing, leading to the diagnosis of an oblique strain

HOW:

White's injury was diagnosed after he reported symptoms the day following his pitching performance

McCullough noted that White's talent and performance have positioned him close to impacting the team, emphasizing the importance of his health and development during this time

In a setback for the Miami Marlins, pitching prospect Thomas White has been diagnosed with a Grade 1 right oblique strain, which is expected to sideline him for three to four weeks following his Grapefruit League debut against the Toronto Blue Jays, where he allowed a two-run double and recorded one strikeout. Marlins manager Clayton McCullough highlighted White's impressive talent and performance, noting that his health is crucial for the team's future, especially as he is ranked as baseball's No. 18 prospect and No. 1 in Miami's system. Additionally, shortstop Aiva Arquette is also facing a recovery period after undergoing core muscle surgery, which will keep him out for four to six weeks.