Damien Comolli believes new signing Stewart Downing is the "missing link" for Liverpool, saying: "That's why we were eager to get him."[LNB] The Reds shelled out £20million for the Aston Villa winger who joins fellow new boys Jordan Henderson from Sunderland, Blackpool's Charlie Adam and former Roma goalkeeper Doni at Anfield.[LNB]And Liverpool's director of football is delighted with the capture of the England winger as well as the other additions - and cannot wait to see them training together for the first time on Monday.[LNB]On the Downing signature, Comolli told Sky Sports: "It is very significant, as significant as the others. I don't think we can make any difference. They are all priorities for us, the Liverpool players we've signed.[LNB]"Stewart we know everything he can bring to us but we are delighted to have signed the other three as well.[LNB]"Obviously he can play on both sides which is good.[LNB]"He can play different systems whether it's 4-3-3 or 4-4-2 or whatever Kenny wants to do, and then he brings us his strength - the quality of his delivery.[LNB]"He can score, he creates a lot, he can deliver a lot of assists so he was the missing link that we didn't have and that's why we were eager to get him.[LNB]"To have everybody on Monday is a comfort really. I saw Carra (Jamie Carragher) and Carra said about Stewart that he will come into the changing rooms knowing all of the players and I think that is very important."