Tennis expert Barry Cowan thinks Emma Raducanu firing another coach is a worrysome sign. After winning the US Open, Raducanu made a shocking decision to fire coach Andrew Richardson. Raducanu cited her desire to find a more experienced tour coach as the main reason for her decision. After the 2021 season ended, Raducanu hired Torben Beltz. Beltz was the coach that guided Angelique Kerber to Grand Slam victories and the world No. 1 ranking. Less than five full months into the new season, Raducanu decided to split with Beltz. The news comes just a …