By Jack Gallagher Liverpool’s quest to win a historic quadruple came to an end in the most traumatic was possible on Sunday at Old Trafford. The Reds fell to arch rivals Manchester United in theFA Cup quarter-final, losing a seven goal thriller thanks a 121st minute goal from Amad Diallo. Here’s Liverpool’s best and worst players in the heartbreaking defeat, courtesy of 90min’s esteemed player ratings. Liverpool best player vs Man UtdAlexis Mac Allister: 7/10Many tipped Alexis Mac Allister to be the best signing made by any Premier League club during the 2023 summer transfer window. Fast forwa…