Self-Managed
For brands
Our Account Managers handle outreach, negotiation and delivery for brands on the platform.
John Silviano is a professional baseball talent with a strong visual brand and authentic game-day content that naturally connects with sports fans, athletes, and performance-focused audiences. His mix of competitive baseball highlights, trainer-driven credibility, and polished photography makes him a strong fit for campaigns that want real athlete influence and high-energy engagement.
I have been a professional baseball player for the last 10 years as well as a certified personal trainer for the last 8. I am hard working and have experience doing ads, modeling.
New to athlete partnerships? See how sports sponsorship works on OpenSponsorship.
1 post & 1 story with the John Silviano promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have John Silviano make a live appearance at your next event
Brands can sponsor John Silviano on OpenSponsorship by creating a free account, browsing John Silviano'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 Silviano 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 Silviano starts at $480 for a social media post, $720 for a appearance and $4,320 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 Silviano's audience includes 2K+ Instagram followers, interests including Fitness & Performance, Activewear, Baseball, Photography, based in Fargo, North Dakota, 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