The Rams veteran will once again wear the captain's armband for the Pride Park outfit.
The Villans and the Rams will lock horns in Monday's Championship playoff final.
The Rams captain and Trundle were at Bristol City and the latter loved his ex-colleague's display against the Whites at Elland Road.
Derby County beat Leeds United at Elland Road to book their place in the play-off final with Aston Villa.
Marcelo Bielsa's Leeds United beat Derby County 1-0 in the play off semi final first leg.
Leeds beat Derby twice this season, and now meet the Rams in the play-offs.
The Rams ran out 5-2 winners over Arsenal in the Under-18 Premier League final at Pride Park.
The Rams captain is playing with a protective cast on his broken hand.
The Derby County defender is hopeful that Leeds United's Patrick Bamford joins up with the Irish at some point.
The Rams stand-in captain has been criticised a lot by some of his own fans but he made some emotional comments regarding his side's promotion race.
Reported Tottenham Hotspur summer target Dani Ceballos was in action for Arsenal against Newcastle United at St. James’ Park on Sunday.
Leeds United fans revel in Frank Lampard's struggles.
Tottenham Hotspur star Tanguy Ndombele enjoyed a successful debut.
The 23-year-old Cardiff City new boy snubbed a move to Leeds United last summer.
The Arsenal signing made his eagerly-anticipated debut today.
Leeds United appear to have sold Caleb Ekuban despite not announcing it.
Eddie Nketiah joined Marcelo Bielsa’s Leeds United on loan from Arsenal on transfer deadline day.
Tottenham Hotspur came from behind to win in their Premier League opener.
Leeds United reportedly won't be able to renew an interest in the Argentine in January.
Andy Carroll joined Newcastle United in the summer transfer window.
Derby County have signed the former Hull City defender and Sheffield Wednesday fans aren't best pleased.
Fabricio Coloccini endured a nightmare final season at Newcastle United; although he would have played a much smaller role if Steve McClaren had his way.
The Derby captain will be hoping to start at Euro 2016.