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Garrett Cooper is a former MLB veteran and Auburn alum whose 13-year professional baseball career includes eight seasons in the big leagues and a 2022 All-Star selection. Brands looking for an authentic, family-oriented athlete with a loyal sports audience, proven credibility, and broad appeal beyond the diamond will find a strong fit in Garrett's profile.
Garrett Cooper is a first basemen and outfielder for the Miami Marlins
Boston Red Sox
Auburn University
United States
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the Garrett Cooper promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have Garrett Cooper make a live appearance at your next event
Brands can sponsor Garrett Cooper on OpenSponsorship by creating a free account, browsing Garrett Cooper'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.
Garrett Cooper 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 Garrett Cooper starts at $4,000 for a social media post, $6,000 for a appearance and $36,000 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, Garrett Cooper's audience includes 20K+ Instagram followers, interests including Marriage & Family, Kids, Fashion, Activewear, Baseball, and more, based in Manhattan Beach, California, United States. 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