Pitchers Waldron and Mosser Showcase Rare Knuckleball Deliveries

Rare dual knuckleballer matchup between El Paso and Tacoma minor league teams

Apr. 3, 2026 at 4:55am

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A fractured, multi-perspective painting depicting a baseball pitcher's delivery broken down into sharp, overlapping geometric shapes and planes, with the pitcher's body and the ball dissolving into abstract forms.The unique, unpredictable nature of the knuckleball pitch is captured in this cubist-inspired illustration of the pitching motion.Tacoma Today

In a unique pitching matchup, Matt Waldron of the El Paso Chihuahuas and Gabe Mosser of the Tacoma Rainiers both took the mound and showcased their rare knuckleball deliveries during a recent minor league game between the two teams.

Why it matters

Knuckleball pitchers are an increasingly rare breed in professional baseball, with only a handful of active players in the major and minor leagues who rely on the unpredictable pitch. This matchup highlighted the unique skills and challenges of mastering the knuckleball technique.

The details

Waldron and Mosser, both right-handed pitchers, utilized their knuckleballs extensively throughout the game, confusing batters with the pitch's erratic movement. The knuckleball, which relies on a lack of spin to create unpredictable trajectories, is a challenging pitch to both throw and hit effectively.

  • The game between El Paso and Tacoma took place on April 3, 2026.

The players

Matt Waldron

A right-handed pitcher for the El Paso Chihuahuas, Waldron is known for his effective use of the knuckleball pitch.

Gabe Mosser

A right-handed pitcher for the Tacoma Rainiers, Mosser also features the knuckleball as a key part of his pitching repertoire.

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What they’re saying

“It's not every day you see two knuckleballers facing off like this. It's a real treat for the fans to witness the unique skill and unpredictability of the pitch.”

— Dusty Baker, Tacoma Rainiers Manager

What’s next

The game between the Chihuahuas and Rainiers is part of a four-game series that will continue through the weekend.

The takeaway

The rare matchup between Waldron and Mosser showcases the enduring appeal and technical mastery required to excel with the knuckleball pitch, a dying art in modern baseball that still captivates fans and players alike.