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John Michael Bertrand is a University of Notre Dame baseball athlete with the kind of disciplined, high-performance presence brands want in a collegiate sports partnership. He brings authentic baseball credibility, strong visual appeal, and a performance-driven lifestyle that fits campaigns focused on fitness, training, and activewear.
University of Notre Dame
University of Notre Dame
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the John Michael Bertrand promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have John Michael Bertrand make a live appearance at your next event
Brands can sponsor John Michael Bertrand on OpenSponsorship by creating a free account, browsing John Michael Bertrand's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
John Michael Bertrand is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, estimated pricing to sponsor John Michael Bertrand starts at $400 for a social media post, $600 for a appearance and $3,600 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, John Michael Bertrand's audience includes interests including Fitness & Performance, Activewear, Baseball. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

How do you measure influencer marketing ROI when half the numbers social media gives you are vanity metrics? It is the question brands ask us most, and it came up again when I joined Massimo Marinelli on the Berkida Ventures Podcast. After more than ten years and thousands of brand deals with athletes and creators at OpenSponsorship, here is how we think about it, and the framework we use with our clients.
October 28, 2026