Palace took a 19th-minute lead when Neil Danns swept the ball home from six yards. A crowd of just 8,690 saw Wednesday level through Clint Hills' own goal but Andrew took advantage of hesitant defending to fire a left-footed winner.
But what happened to that Wednesday team? Scroll down to find out.
9. Marcus Tudgay
Last seen turning out for South Normanton Athletic. Photo: David Rogers
10. Francis Jeffers
Unable to find a new club after his playing contract with Accrington Stanley had expired in 2013, Jeffers began working for Everton's academy. Photo: Stu Forster
11. Leon Clarke
Clarke made his first ever appearance in the Premier League this season aged 34, coming on as a substitute in a 1-0 Sheffield United loss against Liverpool. Photo: Tom Dulat
12. SUB 1: Aaron Jameson
Jameson has coached goalkeepers aged 8 to 16 at Sheffield Wednesday and is the head goalkeeper coach at the Pro Player Football Academy. Photo: George Wood