9+ hour, 52+ min ago  (295+ words) Portnoy Law Firm Announces Class Action on Behalf of Sportradar Group AG Investors Mountain Democrat LOS ANGELES, May 22, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises" Sportradar Group AG, (Sportradar" or the "Company") (NASDAQ: SRAD) investors of a class action on…...