Jamie Carragher was not impressed with Liverpool’s first-half display against Crystal Palace. The Reds failed to really get going from the start at Selhurst Park, a lacklustre opening 45 minutes yielding no goals. And taking to X, Carragher shared what he felt was needed for Liverpool to improve their performance, with one note in particular for Trent Alexander-Arnold. “Liverpool falling in to the trap they do so often away,” said the Reds legend. “Slow sloppy passing, get done on the counter attack. Every pass needs to have pace on it. “Trent needs to stay wide, that’s where the space is.” Ca…