MLB Brothers Josh and Bo Naylor Face Off in Opening Series

The Naylor siblings will make history as they kick off the 2026 season against each other's teams.

Mar. 29, 2026 at 1:51pm

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A fractured, cubist-style painting depicting a baseball game, with the players' forms broken down into overlapping geometric shapes and planes in vibrant colors, representing the competitive energy of the Naylor brothers' matchup.The Naylor brothers' historic MLB matchup will showcase their lifelong passion for the game and the power of family.Cleveland Today

The 2026 MLB season will open with a historic matchup between the Cleveland Guardians and the Seattle Mariners, as brothers Josh and Bo Naylor take the field against each other. The Naylor brothers, who grew up playing baseball together, will make their mark on the league as they face off in the opening series.

Why it matters

The Naylor brothers' matchup represents a rare opportunity for siblings to compete at the highest level of professional baseball. Their story highlights the power of family and the passion for the game that has driven them to the MLB.

The details

Josh Naylor, the older brother, plays for the Seattle Mariners, while Bo Naylor, the younger brother, plays for the Cleveland Guardians. The brothers have been playing baseball together since they were kids, with their father often throwing them pitches in the backyard and calling out game situations.

  • The 2026 MLB season will open with the Cleveland Guardians vs. Seattle Mariners series.
  • The Naylor brothers will face off against each other in the opening series.

The players

Josh Naylor

A professional baseball player for the Seattle Mariners.

Bo Naylor

A professional baseball player for the Cleveland Guardians.

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What they’re saying

“There were times where we were kids and our dad had us in the backyard and he would throw us pitches and we'd hit it with just those little mini big bats and he would call out a count or a situation.”

— Josh Naylor

The takeaway

The Naylor brothers' matchup in the opening series of the 2026 MLB season represents a unique opportunity for sibling rivalry and family pride to be on full display at the highest level of professional baseball.