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Jurgen Klopp should also focus on winning the Europa League, because if he is not cautious, he may miss out on winning the Premier League this year.
Klopp should put less focus on the Europa League since putting more effort on winning that trophy could lessen his chances of winning the Premier League. It is an advantage that they have over City and Arsenal who are both competing in the more prestigious Champions League.
I feel Liverpool shouldn't take any chances in any competition, the Europa League is another shot they have and they should pay more attention to it more than the premier league because since they're the only club that have won a trophy and Arsenal and Man City won't let them also have the league title. If Liverpool want to add another trophy it shouldn't be the EPL, the battle or should I say the chances of winning the EPL title is very slim even if Arsenal and Man City have the biggest prize to fight for (UCL) is still out of there reach, Klopp and his boys are never getting it, the top 3 teams are all having a very busy campaign at this period, to me I'd say let Liverpool worry about Leverkusen because they're the only biggest obstacle in the UEL.
Focusing on one of them might actually be quite good. But I think Jurgen Klopp can divide his focus between the two, namely the Premier League and the European League. Because Man City can also do it, Liverpool can definitely do it too. Even Man City is also dividing its focus with more competitions such as the FA Cup, UCL and Premier League. So Klopp's task actually didn't become more complicated after Liverpool were eliminated from the FA Cup. He just has to try to stay consistent in the Premier League and then he also has to keep going further in the Europa League. The match schedules are not that close together. So I think the squad that Liverpool currently has is enough to be able to perform optimally in both competitions. It's just that I agree that Leverkusen is the real challenge in the Europa League. Liverpool must hope not to meet Leverkusen early.
If Liverpool eventually try to maintain that consistency I believe the players might start feeling torn out, fatigue will get the best of the players because they have the FA Cup, UEL and the premier league. They should let go of one or two to get at least one of the 3 trophy they're fighting for but if Klopp wants all 3 then I think he's going to lose them all.
Liverpool are fighting for 3 tournaments (FA Cup, UEL and the league title), Manchester City 3 also (FA CUP UCL and the EPL) but Arsenal only have the UCL and the league title to fight for, which means Arsenal have more advantage for the EPL title.
Liverpool squad are filled with injury prone players and if they continue with what I saw against Manchester United I believe they're going to lose games they're suppose to win, Klopp is aware of the players getting injured especially Salah, he's not fit to play full time week in week out, it will affect the team, Klopp needs a new plan to get all titles that's if they can survive the pressure.