Jurgen Klopp has some big decisions to make ahead of Liverpool's second Champions League game against Porto on Tuesday evening.The Reds made a flying start to their European campaign, coming from 2-1 down to claim all three points against Italian giants AC Milan on another historic night at Anfield.But with a top-of-the-table crunch clash with Manchester City at the weekend, Klopp may have one eye on Pep Guardiola's side; Liverpool lost the 2018/19 Premier League title to the Citizens by a single point.Daily Star Sport takes a look at the decisions facing the Reds boss before their Champions League trip to Porto.Star man Trent Alexander-Arnold was not on board the flight to Portugal and will play no part in Tuesday night's Champions League.
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