By Jack Gallagher Jurgen Klopp has lamented the decision not to award Liverpool a stoppage time penalty, insisting that Jeremy Doku’s challenge on Alexis Mac Allister was “100% a foul”. Klopp’s Liverpool faced off against Pep Guardiola’s Manchester City for a final time ever in the Premier League on Sunday, bringing an end to a near decade-long rivalry between the two coaches and clubs. The final chapter of the rivalry proved to be everything fans hoped it would be: full of quality, flash points and controversy. Goals from Man City’s John Stones and Liverpool’s Alexis Mac Allister – who conver…