Tammy Abraham fires hat-trick to ease pressure on Chelsea boss Frank Lampard

Tammy Abraham (right) celebrates a Chelsea hat-trick with team-mate Callum Hudson-Odoi in a 3-1 FA Cup fourth round win over Luton.
Tammy Abraham (right) celebrates a Chelsea hat-trick with team-mate Callum Hudson-Odoi in a 3-1 FA Cup fourth round win over Luton.