BBC Sport https://www.bbc.co.uk/sport/av/football/64076159 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/16E00/production/_128169639_p0dsf522.jpg Leeds manager Jesse Marsch praises his side's "mentality" in securing a clean sheet during a 0-0 draw away against Newcastle.