
BROOKLYN, N.Y., January 21, 2026 -- GuardDog, a responsible play innovation fund from Underdog, today announced an investment in Regen, the first platform to automatically convert entries into savings with every play. In addition to the investment, Underdog will feature Regen as a new resource in its responsible play hub, highlight Regen in customer communications from the responsible play and customer support teams as well as provide access to the platform to all of its employees.
Regen allows users to link their sportsbook, fantasy sports and prediction market accounts, and automatically save a small percentage from every entry, win or loss, creating savings without changing how they play. The platform works quietly in the background, setting money aside while players engage with sports.
“With major shifts happening in our industry, it is important to further our dedication to building a stronger and more responsible ecosystem — and apply player protection rigor across all platforms and entry type, prediction markets and fantasy sports,” said Adam Warrington, Vice President of Responsible Gaming at Underdog. “At Underdog, we focus on simplicity in our product and in our responsible play tools. Regen’s mission aligns with our goals as they empower usersto set up a simple and intuitive savings mechanism that provides a new and evolved RG tool.”
"Building a robust financial future is becoming essential for today's players, and Underdog has always been ahead of the curve," said Daniel Prior, co-founder of Regen. "We're thrilled to bring Regen to their team and users, delivering real savings in a way that's effortless and genuinely impactful. With their support, we're accelerating our mission to set every player in America on firmer financial footing."
As the only top operator built on its own technology, Underdog’s products are custom-built for U.S. sports fans and the company continues to lead industry innovation, including its approach to responsible play. GuardDog was founded in 2023 as a first-of-its-kind fund to foster innovation in responsible play by providing capital to cutting edge start-ups building player protection technology.
In addition to monetary investment, GuardDog offers companies the opportunity to learn from industry experts. Companies and entrepreneurs that are interested in being considered for investments from GuardDog can learn more at https://www.underdogfantasy.com/guarddog.
About Regen
Regen is the first automated savings platform built for sports bettors. By linking to users' sportsbooks and triggering savings from every bet, win, or loss, Regen transforms everyday play into long-term financial wellness. Founded in 2025, Regen has already helped users save thousands while betting as usual. For more information, visit regeninvest.co.
About Underdog
Underdog, the fastest-growing sports company in the U.S., was founded in 2020 with the simple objective of making sports more fun. The company’s core operating principle: there’s so much more to be built for sports fans in America. As the only top-tier sports gaming operator in the country built on its own proprietary technology, Underdog has a unique ability to create new, engaging products for the U.S. consumer. Underdog’s products provide the best way to enjoy fun, approachable sports games. The company offers access to sports prediction markets, fantasy sports games, and a growing media network featuring former professional athletes, coaches, analysts, and the fastest breaking news. Underdog is built for and by sports fans to make sports more fun. For more information, visit underdogfantasy.com.