Barcelona v Chelsea
Strikers Andriy Shevchenko and Didier Drogba have travelled with the Chelsea squad to Barcelona, despite injury concerns for both players.
Shevchenko missed Saturday's 2-0 victory at Sheffield United because of a leg muscle injury, while Drogba came off after receiving a kick on his foot.
Chelsea boss Jose Mourinho is also expected to keep faith with Hilario in goal though Carlo Cudicini is fit.
Barcelona's Argentine winger Lionel Messi is fit after an ankle injury.
Mourinho said of his goalkeeping dilemma: \"I choose the one I think will work for us. Friday was Carlo's first time training back with the ground and he needs to improve but he is available for selection.
\"Hilario is amazing. He is cool and comfortable in goal and I think the penalty save was a three-point save. You never know if Sheffield United are 1-0 up.\"
Hilario saved Danny Webber's poorly taken spot-kick after Drogba was adjudged to have fouled the Blades' Claude Davis.
Although Shevchenko and Drogba have made the trip to Spain, Chelsea boss Jose Mourinho may still field 21-year-old Salomon Kalou.
\"He is sometimes a bit naive in his actions but he is a kid with a lot of qualities and to play in Barcelona could be a big occasion for him,\" said Mourinho.
Chelsea go into the tie top of Group A after three wins. Another victory will take them through to the knockout stages but a draw would also be enough if Werder fail to win in Sofia.
Barcelona from: Victor Valdes; Juliano Belletti, Carles Puyol, Rafael Marquez, Giovanni van Bronckhorst, Silvinho; Xavi, Edmilson, Deco; Lionel Messi, Ronaldinho, Eidur Gudjohsen; Javier Saviola.
Chelsea from: Hilario; Paulo Ferreira, Ricardo Carvalho, John Terry, Wayne Bridge; Mickael Essien, Claude Makelele, Michael Ballack, Frank Lampard; Andriy Shevchenko, Dider Drogba.
Barcelona 2-2 Chelsea
Didier Drogba's injury-time equaliser gave Chelsea a precious Champions League point after an ill-tempered encounter against Barcelona.
Eidur Gudjohnsen looked to have sent his old club crashing to defeat with a close-range finish after 57 minutes.
Frank Lampard's brilliant angled chip six minutes earlier had equalised Deco's early strike from 20 yards.
But Drogba pounced with seconds left as a clash that contained 11 yellow cards ended with Chelsea clinching a draw.
Chelsea are now on the brink of qualification for the group stage, but holders Barcelona are in danger from Group A rivals Werder Bremen.
Andriy Shevchenko failed to recover from a thigh injury, allowing Robben to make a starting appearance.
And Chelsea suffered another blow in the third minute as Barcelona took the lead, courtesy of a brilliant strike from Deco.
The Portugal midfield man was allowed time and space on the left flank, and made Chelsea pay the price by cutting in and sending a searing right-foot finish past Hilario.
Lionel Messi then created a chance for Ronaldinho, but the Brazilian was off target.
Given the history of acrimony between the teams, it was no surprise that the first 45 minutes was littered with petty clashes that made life difficult for referee Stefano Farina.
Rafael Marquez appeared to push Didier Drogba to the floor, and players on both sides seemed intent on settling personal scores.
But between the spats there were moments of quality, and Hilario came to Chelsea's rescue after 20 minutes, saving brilliantly from Xavi after he exchanged passes with Ronaldinho.
Chelsea had opportunities of their own, with Michael Essien and Robben having efforts well saved by Victor Valdes.
They had a scare after 37 minutes when Ashley Cole was booked for fouling Deco.
It appeared Cole had already been given a yellow card earlier for dissent, but referee Farina made it clear that booking had been for Lampard, despite pressure from Barcelona's players.
Lampard's yellow card rules him out of Chelsea's testing visit to Werder Bremen.
Chelsea opened the second half with a real statement of intent, with Robben having a header saved, then blazing a perfect Lampard cross over the top with only Valdes to beat.
Lampard then capped by the spell of Chelsea pressure with a remarkable equaliser after 51 minutes.
He looked to have lost control of Essien's cross, but then turned and lifted the ball over Valdes from the tightest of angles.
Chelsea only stayed on terms for six minutes, before Ronaldinho demonstrated his magic to set up Gudjohnsen.
Ronaldinho evaded Khalid Boulahrouz easily on the left-flank, then glided in a cross with the outside of his right foot for the Icelander to turn home from close range.
But Gudjohnsen's night ended in agony when he was stretchered off with 15 minutes left after falling awkwardly in a challenge with Ricardo Carvalho.
As time ran out, Drogba stole in on John Terry's header to turn Rafael Marquez with a touch on his chest to beat Valdes to send Chelsea boss Jose Mourinho into ecstatic celebration on the touch-line.
Uefa set to examine Chelsea tie
Uefa may launch an investigation into the game between Chelsea and Barcelona.
The stormy match was drawn 2-2 with Chelsea picking up six of 10 bookings and Barcelona coach Frank Rijkaard confronting the referee at the end.
Chelsea can expect a fine as any team picking up five or more bookings in a game is automatically punished.
The size of the fine and any penalty for Rijkaard will depend on the reports of referee Stefano Farina and Uefa match delegate Wolfgang Thierrichetr.
Uefa are keen to stamp out players surrounding the referee during a match and, as that took place on several occasions at the Nou Camp during the game, it may decide to make an example of both clubs as well as Rijkaard.
Uefa communications director William Gaillard said: \"We may open an investigation if there are a large amount of cards, if other incidents are mentioned by the referee or Uefa match delegate, or if either team files a complaint.
\"We will examine the reports when we receive them and see if there is anything which would lead to an investigation being opened.\"
Barcelona could also be in trouble after their fans are thought to have hurled bottles at the Chelsea players.
The incident took place when the Premiership side's players applauded the travelling supporters in the top tier of the Nou Camp after the final whistle.
Blues midfielder Frank Lampard said: \"I knew things were raining down but none of them hit me.
\"There was a bit of banter with the Spanish fans and that was good.\"
