European and Premiership champions Saracens are expected to be without European Player of the Year Alex Goode until the end of February.
Saracens full-back Alex Goode has been ruled out for up to four months due to a pectoral tear.
The European Player of the Year did the damage in Sarries' 27-25 defeat to Northampton Saints in their Premiership opener at Allianz Park last Saturday.
Goode underwent successful surgery and is expected to be out of action until the end of February.
Hooker Kapeli Pifeleti will be sidelined for around 10 weeks after suffering a knee injury against Northampton.
Captain Brad Barritt, Juan Figallo and Mike Rhodes are among the other absentees for the Premiership and European champions when they face Leicester Tigers on Sunday.