Pablo Sarabia cancelled out Koke's opener as Sevilla rescued a valuable LaLiga point in Madrid.
Atletico Madrid's match away to Barcelona on Saturday is their final chance to revive the title race in LaLiga, according to Koke.
Atletico Madrid midfielder Koke discussed Alvaro Morata's disallowed goal in Wednesday's 2-0 win against Juventus.
Koke sustained a thigh problem against Huesca on Saturday, but Atletico Madrid understand it is not serious.
Lucas Hernandez and Santiago Arias both scored as Atletico Madrid beat Huesca 3-0 to move two points behind LaLiga leaders Barcelona.
Atletico Madrid were made to work hard for a point at Sevilla and Diego Simeone reserved special praise for Koke.
Radamel Falcao missed the target with a late penalty as Atletico Madrid earned a 2-0 win over Monaco to reach the Champions League last 16.
Atletico Madrid host Borussia Dortmund in the Champions League on Tuesday but Diego Costa and Diego Godin are both doubts for the game.
Leganes will not have to worry about Diego Godin, Koke or Diego Costa on Saturday with the Atletico Madrid trio ruled out for Saturday.
Real Madrid have put Santiago Solari in temporary charge, leading Atletico Madrid boss Diego Simeone to remember their time at San Lorenzo.