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MLB's Chris Marinak Leaves After 17 Years, Eyes Future

12/17/2025

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Summary

Story summary

Chris Marinak, Major League Baseball (MLB)'s Chief Operations & Strategy Officer, is leaving MLB after 17 years to pursue new opportunities.
At 45, he was regarded as a potential MLB commissioner.
He helped implement instant replay and the pitch clock.
MLB Commissioner Rob Manfred has indicated that the next commissioner should be an insider amid a challenging labor period.
Marinak has explored options, including discussions with the PGA Tour.

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Story summary

Chris Marinak, Major League Baseball (MLB)'s Chief Operations & Strategy Officer, is leaving MLB after 17 years to pursue new opportunities.
At 45, he was regarded as a potential MLB commissioner.
He helped implement instant replay and the pitch clock.
MLB Commissioner Rob Manfred has indicated that the next commissioner should be an insider amid a challenging labor period.
Marinak has explored options, including discussions with the PGA Tour.