Graeme Souness believes that Wayne Rooney has hit the “lowest point of his football career” after the Manchester United legend was sacked by Birmingham City. Rooney, who broke his silence over his sacking at Birmingham City, left DC United last October after the Washington-based side failed to make the MLS Cup play-offs. The 38-year-old former United striker was appointed Birmingham City manager after John Eustace was controversially axed from the Championship club in 2023. However, Rooney’s ill-fated spell at Birmingham City lasted only 83 days and he was dismissed from his post after a 3-0 d…