Chelsea legends Michael Essien and Ballack were watching from the stands Sunday afternoon as the Blues host Everton in the Premier League.
The pair were pictured sitting together in VIP box at the Stamford bridge cheering their old club.
Chelsea failed to score in a match at Stamford Bridge for the first time this season as Everton held on for a 0-0 draw in the Premier League on Sunday.
Chelsea dropped to third place and two points behind Liverpool after 12 games, but remained unbeaten.
Essien is currently without a club after parting ways with Indonesian outfit Persib Bandung.