BBC Sport https://www.bbc.co.uk/sport/football/62758471 https://ichef.bbci.co.uk/live-experience/cps/240/cpsprodpb/18516/production/_126560699_bbc-sport-index-imagery-4-split-images-gradient-490b8026-7469-4c9f-b508-c41c8f35ddd8.png A remarkable summer transfer window closes with a number of new spending records set.