Derby Manager praises his former club Chelsea

Derby manager Frank Lampard has praised his former club Chelsea for allowing Mason Mount and Fikayo Tomori ((Pron: Fik-kai-o To-mor-e)) to play against their parent team.

The pair are on-loan at the Chanmpionship side, who face Maurizio Sarri's (pron: sar-ree) men in the League Cup on Wednesday.

Lampard says it's great news for both players