Chelsea boss Frank Lampard praised Toni Rudiger for his double at Leicester City.
The Germany defender struck both goals for Saturday's 2-2 draw.
Lampard said, "I was delighted with his two goals. We need to score more from set-pieces, particularly in games against good opposition when it's tight. So really pleased with Toni.
"We did miss him earlier in the season. He brings an aggression and a presence in everything he does. That's good because we have young players in those areas as well. He is more experienced of our centre-backs. He brings his quality in lots of ways.
"Set-pieces are something we have been a bit short on, in terms of how desire have we got to put our head on it and score goals. He brings that naturally."