For the Liverpool vs Atalanta match, for me there is nothing to worry about. Because I'm pretty sure that Liverpool will win. But because this is football, performance and luck are sometimes contradictory. So the final result is sometimes very difficult to predict.
Meanwhile, the Leverkusen vs West Ham match will actually be an easy match to predict if Leverkusen plays as well as they did in the Bundesliga. But unfortunately I see that Leverkusen playing in the European League is not as good as playing in the Bundesliga. This is what makes me still confused about which team to favorite. West Ham sometimes they surprise. Because even in the EPL they are quite bad. but we can see that their performance in the European League is actually quite good.
While now, we have just 2 days left into these matches with both strong teams are going to play their first leg games at the home things are looking pretty easy for the betting even we all know this is soccer where any match can go into any way but still as things are showing, and we are having performance of these top teams we can say these teams could be favorable for win and staying into hunt for the better end of this season.
Interestingly we are having both visiting sides Atlanta and West Ham on same level of performance into their domestic leagues which give them not good favour but still they teams are having good chance for giving surprise which is beauty of the soccer and UEFA events as well.