The Bosnian assistant manager is still awaiting a work permit, according to the Mirror, and it’s unclear whether he will be given clearance in time for Saturday lunchtime’s fixture at White Hart Lane.
Buvac worked as Klopp’s number two at both Mainz and Borussia Dortmund - the two men were teammates at the former in the early 1990s - and will also join up with the revered German coach at Anfield.
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Klopp, it’s understood, refers to Buvac as his “brain” - which outlines his importance to the whole operation at Anfield post-Brendan Rodgers.
Liverpool fans are riding the crest of a wave following Klopp’s appointment at the end of last week, but they will soon be brought back down to earth if they lose to Spurs on Saturday.
Klopp meets more of his new players
While Buvac awaits his work permit, Peter Krawietz - Klopp’s other assistant - has been taking training with those Liverpool players not on international duty this week.
Klopp did, however, meet England trio Adam Lallana, Nathaniel Clyne and Danny Ings for the first time on Tuesday afternoon following their return from Lithuania.
Liverpool supporters are all eager to find out how Klopp will line up his team for the visit to Tottenham this weekend.
They might get a clearer idea later this week, when Klopp takes part in his first pre-match press conference since joining the Reds, but the newly-appointed manager is likely to keep his cards close to his chest until Saturday.
Liverpool fans: will you beat Tottenham with Jurgen Klopp in charge this weekend? Post your score predictions in the comments below!