Mariners Minor Leaguer Jose Zerpa 80-Game Drug Suspension

This article covers Seattle Mariners minor-leaguer José Zerpa’s 80-game suspension under MLB’s minor-league drug program. He tested positive for stanozolol, a banned substance, and now finds himself at the center of baseball’s ongoing effort to enforce performance-enhancing drug rules at every level.

Zerpa’s Suspension and His Standing in the Mariners’ Farm System

Zerpa, a 21-year-old right-hander from Venezuela, has pitched in 10 relief outings for Class A Inland Empire in the California League. He’s put up a 4-1 record and a 4.70 ERA so far this season.

This 80-game ban, handed down through the minor-league program, will keep him off the field for much of the year. It’s a major setback for his development, and honestly, organizations count on steady progress from their prospects as they move up the ranks.

Season Stats and Background

The Mariners signed Zerpa in 2023 on a minor-league contract, giving him a $10,000 signing bonus. He’s mostly worked out of the bullpen for Inland Empire, showing flashes of potential but also some inconsistency—scouts are still trying to figure out his ceiling.

This suspension isn’t just about lost games; it throws off the Mariners’ plans for his growth. It’s a tough break for both the team and the player.

Broader Picture: MLB’s Drug Policy and This Season’s Discipline Trend

Zerpa is now the seventh player this year to get disciplined under baseball’s drug rules. MLB keeps ramping up its testing and enforcement, from the minors all the way to the big leagues.

For prospects like Zerpa, a violation like this means a big pause in their career trajectory. It’s a reminder—maybe even a warning—about how much the league values the integrity of its drug program.

Notable Cases This Season

• Jurickson Profar — He got a season-long ban after testing positive for exogenous testosterone and its metabolites. Profar’s case stands out as a high-profile second offense, really highlighting how seriously MLB takes repeat violations.
• Max Kepler — MLB banned him for 80 games after he tested positive for epitrenbolone. Even as a free-agent outfielder, Kepler’s suspension shows that the league’s PED policy doesn’t care about contract status or experience level.

For Mariners fans, Zerpa’s outcome is a tough reminder—these PED policies exist to keep competition fair. An 80-game suspension isn’t just a number; it’s a real setback that can slow down a young player’s development and mess with their shot at advancing in the organization.

The way teams handle these suspensions says a lot about how they manage and mentor their prospects. I can’t help but wonder how the Mariners will adjust their plans or support systems to help players stay on track and avoid these kinds of mistakes.

 
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