The duo have blossomed into crucial players for the Lilywhites under the Australian, but neither managed to complete the full 90 minutes during Monday's 2-0 win over Fulham.
Udogie — who made his senior debut for Italy during the international break — was taken off just before the hour mark, while a stricken Sarr was withdrawn just six minutes later.
The pair's early substitutions naturally raised concerns about their condition for Friday's London derby, as Tottenham aim to extend their unbeaten start to the new term to 10 Premier League matches.
Postecoglou spoke to Tottenham's media channels before addressing the media in Thursday's press conference, and while he confirmed that Sarr should be fine after an illness, Udogie will need a once-over.
«Pape's fine, he went into it with a bit of an illness but he's bounced back well and trained well today,» Postecoglou responded. «Destiny we'll look at and assess, it's a short turnaround, we'll see how he goes today and make a decision tomorrow.»
Alongside Sarr and Udogie's early exits, Tottenham were also missing Ben Davies for the win over Fulham due to a knock, but the Welshman should be back in the squad at Selhurst Park.
«Yeah he is fine. He got a knock the day before training,» football.london quotes Postecoglou as saying in his pre-game press conference. «t is fair to say our training at times teeters on the edge and unfortunately he copped a nasty one in training. Just a knock but it was the day before the game so it kept him out. He has training and is fine and ready to go.»
With Sarr going off in
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