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InjuryMLB· 4 min read· in Sports

Midsummer Medicals: Eury Pérez Shines in Return as Shane Bieber Searches for Velocity

As the MLB All-Star break approaches, the Miami Marlins celebrate Eury Pérez's dominant return to the mound, while the Toronto Blue Jays monitor Shane Bieber's diminished velocity.

By Aurelie Martin

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As the 2026 Major League Baseball All-Star break looms, front offices and coaching staffs are closely monitoring the shifting medical landscape. Midsummer activations can act as internal trade acquisitions for contending teams, while sudden setbacks often force general managers to aggressively pivot their deadline strategies.

The Miami Marlins have found a significant silver lining in their rotation with the triumphant return of 23-year-old right-hander Eury Pérez. After missing nearly a month, Pérez has immediately re-established himself as one of the most electric young arms in the National League.[3]

Pérez had been sidelined since late May with a highly unusual right gracilis strain—a tear of the long, thin muscle on the inside of the thigh. The injury occurred under bizarre circumstances when he experienced severe pain simply while stretching in the dugout between innings against the Toronto Blue Jays.[2]

Following a brief rehab stint, Pérez returned to the mound on June 24 against the Texas Rangers, showcasing his trademark power. His four-seam fastball sat comfortably at 98.2 mph, proving his lower half was fully healed and capable of generating elite velocity.[3]

A tale of two returns: Pérez has thrived while Bieber struggles to regain his velocity.

He followed up that steady return with an absolute masterpiece on July 5. Facing the Oakland Athletics, Pérez tossed seven perfect innings, striking out eight batters before manager Clayton McCullough cautiously pulled him at 92 pitches to protect his newly healed leg.

In stark contrast to Miami's success story, the Toronto Blue Jays are navigating a much rockier return for former Cy Young winner Shane Bieber. Activated on June 23 after missing three months with right elbow inflammation, Bieber has struggled to find his footing in the American League East.[2]

Across his first four starts back from the 60-day injured list, the 31-year-old veteran has posted a concerning 7.64 ERA. Opposing hitters have capitalized on his mistakes, launching seven home runs against him in that short span.

The underlying metrics point to diminished stuff rather than just bad luck. Bieber's four-seam fastball is averaging a career-low 92.0 mph, and his signature slider has lost its sharp bite, resulting in a significantly lower whiff rate of just 12.5 percent.

Shane Bieber's fastball velocity has dipped to 92.0 mph, making his slider more vulnerable to opposing hitters.

During a July 10 outing against the San Diego Padres at Petco Park, Bieber managed to grind through 4 2/3 innings, giving up two earned runs. However, the long ball continued to haunt him as Xander Bogaerts crushed a misplaced, 85-mph slider for a two-run homer.

Meanwhile, the Texas Rangers suffered a significant blow to their outfield depth, placing rookie standout Wyatt Langford on the 10-day injured list on July 10 with a strained left hamstring.[1]

Langford had been a crucial piece of the Texas lineup, batting .278 with eight home runs and 20 RBIs. Manager Skip Schumaker indicated that the young outfielder will likely remain sidelined until after the All-Star break, forcing the Rangers to shuffle their defensive alignment.[1]

Conversely, the Chicago White Sox received a much-needed offensive injection by activating Japanese slugger Munetaka Murakami from the 10-day injured list. Murakami had been out since late May with a hamstring strain, but he already boasted 20 home runs and a .947 OPS prior to the injury.[1]

Hamstring and shoulder injuries continue to sideline key contributors across the league.

Pitching staffs across the league continue to take hits as the summer heat sets in. The Milwaukee Brewers are bracing for bad news after veteran Brandon Woodruff was diagnosed with a new injury to his surgically repaired anterior capsule, prompting a search for a second medical opinion.[1]

Compounding Milwaukee's rotation woes, left-hander Kyle Harrison was placed on the 15-day injured list on July 11 with left forearm tightness. While the club remains hopeful that the All-Star break will provide sufficient rest, forearm issues are notoriously unpredictable for starting pitchers.[2][4]

As the trade deadline rapidly approaches, these medical updates will heavily dictate front office strategies. Teams with successfully returning stars may opt to hold their prospects, while those facing new pitching deficits will be forced to scour the market for emergency reinforcements.

The White Sox offense gets a massive boost with the return of Japanese slugger Munetaka Murakami.
Player Development & Rehab 35%Pitching Mechanics Analysts 35%Roster Management 30%
Player Development & Rehab
Focuses on the successful return of young stars like Pérez and Murakami, emphasizing cautious buildup.
Pitching Mechanics Analysts
Focuses on the underlying data behind struggles, such as Bieber's diminished velocity and slider command.
Roster Management
Focuses on how teams must navigate sudden IL placements ahead of the trade deadline.

Sources

Source coverage

4 outlets

3 viewpoints surfaced

Player Development & Rehab 35%Pitching Mechanics Analysts 35%Roster Management 30%
  1. [1]Fox SportsRoster Management

    MLB Injury Updates: Langford, Woodruff, and Murakami

    Read on Fox Sports →
  2. [2]MLB Trade RumorsRoster Management

    Brewers Place Kyle Harrison On 15-Day Injured List

    Read on MLB Trade Rumors →
  3. [3]Miami HeraldPlayer Development & Rehab

    Eury Perez steady in return, Marlins close first half with series win

    Read on Miami Herald →
  4. [4]MLB.comRoster Management

    Latest MLB Injuries and Roster Moves

    Read on MLB.com →
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