Liverpool's pre-season campaign kicked off on the banks of The Rhine, to a soundtrack of ear-splitting noise, with a riotous tussle against Karlsruher. Jurgen Klopp watched his side begin their pre-season fixtures with a 4-2 win over Karlsruher DARWIN'S EVOLUTION Only two minutes 36 seconds had elapsed when Darwin Nunez put Liverpool in front. Darwin Nunez opened the scoring for …