Manchester United was eliminated from the FA Cup by Brighton & Hove Albion at Old Trafford. Brighton took the lead through Brajan Gruda and Danny Welbeck, with Benjamin Sesko scoring late for United. Teenager Shea Lacey received a red card in stoppage time. Meanwhile, Arsenal advanced in the FA Cup with a hat-trick from Gabriel Martinelli against Portsmouth, despite an earlier controversy involving Martinelli and Liverpool's Conor Bradley.