Sunderland currently have two of their first-team players heading for the Stadium of Light exit this summer.
Aston Villa need to seriously improve their player recruitment this summer.
Sunderland are set to take on Chelsea at the Stadium of Light tomorrow evening.
Kirchhoff praised Sunderland's marksman but says everybody needs to do their share for the team.
Jan Kirchhoff made his first appearance for Sunderland since October last weekend.
The Black Cats made it three wins from four at the weekend.
After no appearances in the first month of the season, the German played five in 20 days for Sunderland before breaking down again.
Sunderland midfielder Jan Kirchhoff has not played a competitive match since October.
The German midfielder has been ruled out for a minimum of six weeks with a hamstring injury.
Everton beat Sunderland 3-0 earlier this month in Premier League action.