The additions of Diego Costa and Vitolo can only help Atletico Madrid to grow, according to head coach Diego Simeone.
The new signings, who have officially completed their moves to Atleti after the club's transfer ban expired, both made their debuts in Wednesday's 4-0 Copa Del Rey win at Lleida Esportiu.
Costa netted within five minutes of his introduction as a second-half substitute, although the striker may require further medical examinations having injured his right knee in the process of scoring.
And Simeone is expecting a big impact from Costa, the striker having fired Atleti to their last LaLiga title in the 2013-2014 season before departing to join Premier League side Chelsea.