Tottenham Hotspur’s Kyle Walker-Peters, manager Mauricio Pochettino, Ben Davies and Danny Rose celebrate after the Champions League quarter-final second leg against Manchester City   at the Etihad Stadium. Photograph:  Mike Egerton/PA Wire

And it seemed like such a good idea at the time: watch the first 10-ish minutes of Porto v Liverpool just to see if there was any life in the hosts, a(...)