Defending champion Chelsea required a late goal by substitute Salomon Kalou to rescue a 1-1 draw at Everton in the fourth round of the FA Cup.
The Ivory Coast forward finished off a flowing counterattack in the 75th minute with a shot that squirmed into the far corner, earning Chelsea a replay at Stamford Bridge.
Everton was in control for long periods at Goodison Park but only had one goal to show for its dominance, with France striker Louis Saha heading home powerfully from a corner by Leighton Baines in the 62nd for a seventh goal in his last eight games against the London club.
"To come back into the game, we had good attitude and good spirit," Chelsea manager Carlo Ancelotti said. "It was not easy - Everton put pressure on us all the time."
Chelsea came close to snatching a win when Brazil midfielder Ramires hit the post in the 86th, while substitute Everton striker Jermaine Beckford forced an acrobatic save out of Petr Cech in the final minute.
Jack Rodwell, Marouane Fellaini and Seamus Coleman had all earlier gone close for Everton, which lost 2-1 to Chelsea in the 2009 final at Wembley.
Chelsea has won three of the last four FA Cups, including the last two. The team is looking to become the first to win the cup for three seasons straight since 1886.
In the two other all-Premier League matches on Saturday, Aston Villa defeated Blackburn 3-1 at Villa Park and Bolton was held 0-0 at home by Wigan.
Ciaran Clark, veteran former France winger Robert Pires and Nathan Delfouneso scored Villa's goals, all of them coming in the first half. Nikola Kalinic had equalized for Blackburn in the 18th, while Villa had to survive the last 28 minutes with 10 men following the sending-off of Nathan Baker for a dangerous tackle on David Hoilett.
Birmingham, which reached the League Cup final in midweek, rallied to beat Midlands rival Coventry 3-2 thanks to second-half goals by fringe players Stuart Parnaby and Kevin Phillips.
Coventry, which plays in the second-tier League Championship, went 2-0 up by the 26th minute but on-loan midfielder David Bentley scored in the 35th to begin Birmingham's fightback.
Crawley Town missed two penalties but still became the first non-league side to qualify for the competition's fifth round since 1994 thanks to a 1-0 victory at 10-man Torquay.
Matt Tubbs scored the winner for the Crawley, which is top of the Blue Square Premier League - England's fifth highest league.
In the day's other surprises, League Championship sides Swansea and Watford lost home matches to Leyton Orient and Brighton, who both play in English football's third division.
Unbeaten Premier League leader Manchester United visits third-tier side Southampton later Saturday for a place in the last 16.