Jimmy Floyd Hasselbaink says Tammy Abraham must learn from fellow Chelsea striker Olivier Giroud, who he has described as a "breath of fresh air".
Giroud has enjoyed an impressive run of form for the Blues since the Premier League restart on June 17.
The 33-year-old has hit three goals in his last four outings, with his latest effort proving to be the difference between Chelsea and Norwich on Tuesday night.
Editors' Picks
The World Cup winner's first-half header gave Frank Lampard's side a 1-0 win at Stamford Bridge, which saw them move four points clear of Leicester and Manchester United.