Liverpool have already been busy during this summer's transfer window.
Liverpool boss Jürgen Klopp has already been extremely active in the transfer market this summer, bring in Fabinho, Naby Keita and Alisson Becker for around £165 million in total, but if he is to guide his side to their first league title since 1990, he needs to strengthen two more positions.
Another top class centre-back to partner Virgil van Dijk will surely be a prerequisite for the Reds this summer, whilst an additional world class attacker to help provide more competition for Klopp's famous front three is much needed.
Liverpool are reportedly interested in signing Vida, with Turkish media outlet Fanatik claiming that they have submitted a £20 million offer for the Croatian international.
Pulisic is another one of Klopp's key targets, according to German publication Bild.
The Telegraph claims that the 19-year-old is valued at around £50 million, and if Klopp manages to bring the American and the Croatian to Anfield for a combined £70 million, his squad really would be complete.
Vida is one of the game's most tenacious defenders, and his game seems to be ideally suited to the robust nature of the Premier League.
The 29-year-old would be a fantastic partner for Virgil van Dijk and he would really help tighten up Liverpool's back-line.
Pulisic, meanwhile, would offer Klopp with another option in the final third, and he would provide strong competition for the Reds' currently untouchable front three.
And if Klopp manages to bring both players to Anfield this summer, Liverpool really could be unstoppable on all fronts this season.