The Argentinian drew masses of post-match acclaim from Reds fans after his display in the 2-0 win over the Royals, which was only his third start of the season.
Later, we asked Sergio – known as ‘Chiqui’ to his team-mates – to give us some insight into his current training techniques, as he and his colleagues tackle United’s mid-season camp in Dubai.
“We are working at the moment with Emilio [Alvarez] and the other goalkeeping coaches, putting in a lot of good work, hard work,”
revealed United’s no. 22.
“For example, recently we were working on crosses.