Leeds will be without former Tiger Seru Rabeni, number eight Alfie To'oala and prop Gareth Hardy at Headingley.
They were also able to snuff out the threat from Leicester's giant wingers Alesana Tuilagi and Seru Rabeni, who ran Gloucester ragged.
Last year Leicester centre Seru Rabeni served a 14-week ban after he was found guilty of making illegal contact with Andy Kyriacou of Saracens.
Among that backline is the electric Rupeni Caucaunibuca, who Raiwalui hailed as a "pocket battleship", fellow wing Sekove Leawere and centres Aisea Tuilevu and Seru Rabeni.
But they were completely blown away as Leicester, with their mobile and destructive forwards and Tuilagi and Seru Rabeni coming in off their wings, started to take control.
After their own early exit last week, the Tigers raced into a 15-6 lead with tries from Brett Deacon and Seru Rabeni after an early exchange of penalties.
Seru Rabeni then tackled Noah Cato into touch as he tried to dive over in the corner before Leeds went close to a try themselves just before the break.
All the talk pre-match was of the Tigers' powerhouse Pacific Islanders Alesana Tuilagi and Seru Rabeni, so instrumental in the destruction of Gloucester in the Premiership final last weekend.
Leinster were being pinned back but several times they attacked from deep, with one thrilling break out, sparked by Girvan Dempsey, only being halted by a high tackle from Seru Rabeni.
Back also hopes to have extra options throughout his side for Sunday's encounter as players return from injury, while new signings Seru Rabeni and Henry Fa'afili are also now available for selection.
If Seru had played in the match there is a danger he would have ripped the adductor muscle and then it's even more serious and we were right not to play him.
Debutant centre Seru Rabeni, who only moved to Headingley after being rejected by the Cherry and Whites this summer, showed some neat footwork and impressive pace to surge past a clutch of Gloucester defenders and find Jon Goodridge in support.
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