The pair miss out on the trip to Stamford Bridge after picking up injuries in Thursday night's UEFA Cup Round of 16 first leg win against SC Braga in Portugal.
Goalkeeper Robbo has a thigh problem while Robbie suffered an ankle injury in the first half but managed to continue and score twice, winning that first leg for us in injury time.
The pair join Ledley King (foot), Jermaine Jenas (groin) and Danny Murphy (Achilles) on the sidelines although striker Mido returns after missing West Ham and Braga last week with a cyst on his knee.
Speaking after training on Saturday, Martin told us: "Robbo can't play because he has a little tear in his thigh, although we're hopeful he'll be back next week.
"It means Radek (Cerny) will play and Robert Burch will be on the bench because Ben Alnwick is also injured at the moment.
"Robbie is also out. He took a kick to his ankle in the first half on Thursday, it's sprained and we'll have to wait and see how long he's out for.
"We have a few knocks and bruises but Mido is back."
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Martin Jol reports that Paul Robinson and Robbie Keane are out of Sunday's FA Cup quarter-final at Chelsea.