Story perspectives

Corbin Burnes' Teres Major Strain Delays Return Until September

6/4/2026

Summary

Burnes Strain Setback

Corbin Burnes suffered a teres major strain that delays his return to September.
The strain occurred during batting practice at Salt River Fields and is unrelated to Tommy John surgery.
The injury forces Burnes to stop throwing, restart rehab, and extend recovery, for September.
Burnes signed a six-year, $210 million contract in December 2024 with an opt-out after 2026.
Arizona’s rotation holds a 4.15 ERA, 15th-best in the majors despite his absence.

Summary

Diamondbacks Chase Title

The Arizona Diamondbacks hold a 32-28 record and sit third in the National League West as of June 3 2026.
The Los Angeles Dodgers and San Diego Padres occupy the two spots ahead, making a division title a steep challenge.
Management said the team will focus on Wednesday night’s matchup against the Dodgers.
Analysts say a September return by pitcher Zack Burnes could boost the Diamondbacks’ late-season playoff push.

Summary

Diamondbacks Weigh Trade

Arizona faces a trade-deadline decision after Burnes’ loss, prompting the Diamondbacks to consider a proven starter.
Zac Gallen, the staff’s highest-ERA regular starter at 5.16, continues to struggle.
Manager Torey Lovullo said the rotation’s consistency is in question, sparking talks of betting on Gallen’s turnaround.
The club could promote top prospects, though a proven-starter trade would likely require parting with top young talent that remains unconfirmed.

History

Historical Context

In 2001 the Arizona Diamondbacks, just four years old, captured the World Series over the New York Yankees, finishing the regular season 92-70 and relying on a dominant pitching duo of Randy Johnson and Curt Schilling. That early success established a pattern of investing in elite arms, a strategy now echoed as the club confronts a current rotation setback.

1 of 4

Burnes Strain Setback

Corbin Burnes suffered a teres major strain that delays his return to September.
The strain occurred during batting practice at Salt River Fields and is unrelated to Tommy John surgery.
The injury forces Burnes to stop throwing, restart rehab, and extend recovery, for September.
Burnes signed a six-year, $210 million contract in December 2024 with an opt-out after 2026.
Arizona’s rotation holds a 4.15 ERA, 15th-best in the majors despite his absence.

1 / 4