Irish forward Shane Long scored the winner as Premier League high-flyers Southampton held off second-tier Ipswich Town 1-0 in their FA Cup third-round replay on Wednesday.
Victory saw the Saints, third in the Premier League, book a fourth-round tie at home to top-flight rivals Crystal Palace - a side now managed by former Southampton boss Alan Pardew.
Mauricio Pochettino, another ex-Southampton manager, had a night to remember as his Tottenham Hotspur team came from 2-0 down to beat Burnley 4-2 at White Hart Lane to set up another all-top division Cup clash, at home to Leicester City.
Elsewhere, third-tier Bradford defeated second division Millwall 4-0 as the Bantams booked a glamour tie away to Premier League leaders Chelsea.
After the game, Long said Southampton's win was hard-fought.
"It was a tough game. It was very windy and the pitch was cut up. Ipswich are third in the Championship for a reason and it was hard," he said.
Meanwhile, Pochettino said his side had been involved in a "strange game".
"It was a very interesting game. It was key to go in at half-time at 2-2. The team has shown character and faith... I am happy they showed character because that is important," he said.
Burnley manager Sean Dyche added: "It was a good game for the neutral. We came here to win but it was a game of mistakes from us."
In Yorkshire, Bradford added to the pressure already on Millwall manager Ian Holloway, whose side are battling to avoid relegation from the Championship.
Bradford were 3-0 up before the interval thanks to goals from James Hanson, Jon Stead and Andy Halliday before Billy Knott added a fourth early in the second half.