The incorporation of Diego Costa at Atlético de Madrid hasn't taken long to have a big impact on the side as he has brought two goals, an assist and constant panic in opposition defenses and his presence has also been felt when he doesn't play.
The sheer personality of the former Chelsea man in the side has improved the performances of those around him, particularly in attack.
He has not only justified the hope and expectation that fans and the club hierarchy had in him but he has also awakened the instincts of his teammates.
Questioned in the first part of the campaign for their displays, especially in the final third, the attackers have had a swift upturn since the turn of the year.
So much so that no matter who plays, they are having an impact and scoring goals.
Kevin Gameiro notched the winner at Eibar after a Copa goal, with Fernando Torres and Antoine Griezmann netting against Lleida, while Angel Correa opened the scoring against Getafe.
They aren't the only ones whose goalscoring has been unleashed again in 2018 with Yannick Carrasco and Vitolo scoring as well as Diego Godin, who ended a 29 game drought.
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In the case of the Belgian, he also has an assist to his name, something which Gameiro, Correa and Torres have also managed since the new year.
That spirited attacking play isn't the only thing which has characterised the improvements of Diego Simeone's side with their other great hallmark, defensive strength, coming to the fore once more.
It is what has often made them so impressive and is the case again, with the Rojiblancos having kept clean sheets in each of their four games in 2018.
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Jan Oblak has also reassumed the leader's role in the race for the Zamora trophy after Marc Andre Ter Stegen conceded twice at Real Sociedad on Sunday.
But when Miguel Angel Moya was called upon in the Copa del Rey, he too came up trumps and kept out the opposition yet, proof that everything is running smoothly in the capital at present.