Sinclair has been a key figure for the Scottish giants since he joined in 2016 and played a major role in the double-treble success, but it's gone downhill dramatically for him in the past few months.
Talking to "BBC Scotland" after the match in Germany, Rodgers said: "I've seen enough to know we can win at home".
Rodgers believes that, irrespective of the result against RB Leipzig, his side, who have scored 10 goals in their last two Ladbrokes Premiership matches, will still go into Sunday's Betfred Cup semi-final against Hearts at Murrayfield with optimism. After the last time in Salzburg, okay we lost the game but I want to see a better performance.
"It's about going and performing and taking that confidence of going to play and not being frightened to make mistakes".
"I was open and clear with him that in that time a lot of players had come in and have jumped ahead of him in the queue at centre-half so his game time has been and probably will be very limited".
CRAIG GORDON insists Celtic will just have to cope with the absence of some of their big stars against RB Leipzig on Thursday.
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'Having 60,000 at home will certainly give us a great opportunity.
Tom Rogic, Kristoffer Ajer, Youssouf Mulumbu and Filip Benkovic all sat out Thursday's Europa League defeat by RB Leipzig and defenders Jozo Simunovic and Cristian Gamboa both went off injured.
"My experience up here of being in the semi-finals have been brilliant, the atmosphere and we have been able to make the final which has been great".
And the Celtic manager admitted: 'Jozo looks like he'll be struggling. They don't play typically kick and rush type of Scottish football.
Reports last week suggested the Australian could return to Manchester City by the end of the year should he fail to earn minutes with the first-team, a claim Celtic have strongly denied.
Rangers winger Daniel Candeias believes they are destined to win a trophy this season.