David De Gea, Ederson and Liverpool target Alisson are among the top five goalkeepers in the world, according to Barcelona's Marc-Andre ter Stegen.
Loris Karius will be between the sticks when the Reds face Ederson and Manchester City in the Champions League on Tuesday night.
But Jurgen Klopp's side have been linked with a move for Roma's Alisson, who will be in the opposite net to Ter Stegen when they face Barcelona in their own quarter-final second-leg.




Roma trail 4-1 from the first leg but Ter Stegen showed he is a fan of his opposite number by naming him among the best keepers in the world.