Nottingham Forest striker Taiwo Awoniyi underwent surgery for an abdominal injury on Monday after he clattered into a post during their 2-2 Premier League draw with Leicester City a day earlier, British media reports said. Substitute Awoniyi rejoined the game after receiving treatment but was limping around for the last 10 minutes. The club have yet to respond to a request for comment outside regular business hours in Britain. Forest owner Evangelos Marinakis expressed frustration over Awoniyi