MLB's ABS Challenge System: 53% Overturn Rate Through May 2026 Confirms Umpires Miss Roughly Half of Contested Calls
Through May 3, 2026, MLB teams had issued 2,160 challenges under the Automated Ball-Strike system, with 1,145 successful overturn requests, a 53% success rate. Early-season data from the first 47 games showed 94 overturned calls from 175 challenges (54%). Fielding team challenges succeed at 61% (catcher-initiated: 64.1%), while batter-initiated challenges succeed only 42.3% of the time. The league cited an MLB survey showing 52% of fans view the system positively.
T-Mobile Does Not Sponsor a Screen at MLB Parks. It Sponsors the Decision Itself.
T-Mobile's private 5G Advanced Network Solutions powers the ABS Challenge System across all 29 U.S. ballparks via dedicated Ericsson EP 5G cores installed at each venue. The partnership runs through 2028, makes T-Mobile the Official Wireless Partner of MLB, MiLB, and Little League Baseball and Softball, and includes title sponsorship of the Home Run Derby and free MLB.TV subscriptions (retail value $149.99) for T-Mobile customers.
Netflix's MLB Debut Drew 2.97 Million US Viewers on Opening Night, Validating Sport-Plus-Tech as a Streaming Draw
Netflix's first-ever live MLB broadcast, the Yankees vs. Giants on March 25, 2026, drew 2.97 million U.S. viewers, the largest Opening Night audience since the COVID-shortened 2020 season.
PwC's 2026 Survey of 517 Executives Across 48 Countries Identifies Media Rights as the One Revenue Stream Executives Expect to Shrink
PwC's 2026 Global Sports Survey (517 senior executives, 48 countries; fan survey of 7,250 respondents across 17 countries) found that executives expect growth in sponsorship, hospitality, and digital engagement revenues over the next three to five years, but not in media rights. Overall annual sports industry growth is expected at 7.4%, down from 8.5% previously. 78% of executives expect investors to prioritize sports assets with diversified revenue streams beyond traditional broadcast deals.
Broadcast Rights Costs Are Rising to $14.2 Billion Industry-Wide in 2026 While Audience Attention Moves to Shorter, Interactive Formats
Global sports broadcast rights costs are projected at $14.2 billion industry-wide in 2026, a 20% rise from prior levels (eMarketer, 2026). MLB's own multi-platform deal alone includes annual fees of up to $200 million from NBC, plus Netflix and ESPN agreements for 2026-2028. At the same time, BCG's February 2026 report 'Beyond Media Rights: A Whole New Ballgame for Sports' found that the winning strategy for leagues and teams is building direct fan relationships through participation, not relying on broadcast distribution alone.
Kalshi Raised $1 Billion at a $22 Billion Valuation in May 2026. 87% of Its $39.7 Billion in Annual Traded Volume Is Sports.
Kalshi, the CFTC-regulated prediction market platform, raised a $1 billion Series F in May 2026 (led by Coatue, with Sequoia Capital, Andreessen Horowitz, IVP, Paradigm, Morgan Stanley, and ARK Invest participating) at a $22 billion valuation, doubling its $11 billion valuation from five months prior. The company generated $263.5 million in fee revenue in 2025, with sports accounting for more than 90% of site activity and 89% of revenue. Of $39.7 billion traded on the platform in the past year, 87% was on sports.
Sources and methodology
All figures are generated through the LSC Research source-recency gate and reviewed before publication.
- ESPN MLB ABS Challenge System Coverage (2026)
- MLB.com ABS Challenge System Official Data (2026)
- FanSided: MLB ABS Data Analysis (2026)
- Opta Analyst: ABS Challenge System Growing in 2026 (2026)
- T-Mobile Newsroom: MLB Partnership (2026)
- Fierce Network: T-Mobile Private 5G for MLB ABS (2026)
- SponsorUnited: MLB ABS Replay Sponsorships (2026)
- Sports Media Watch: Netflix MLB Opening Night Ratings (2026)
- Barrett Media: Netflix MLB Opening Night Viewership (2026)
- PwC Global Sports Survey 2026 (2026)
- BCG: Beyond Media Rights, A Whole New Ballgame for Sports (2026)
- eMarketer: 20% Rise in Global Sports Rights Costs (2026)
- TechCrunch: Kalshi $22 Billion Valuation (2026)
- Kalshi Newsroom: Series F Announcement (2026)
- Pew Research Center: Prediction Market Trading Volume Surge (2026)
- Front Office Sports: Prediction Markets Exploded in 2025 (2026)
