Mikel Arteta admitted David Raya's astonishing double save against Atalanta was the best he has seen in his career.Raya ensured Arsenal avoided defeat in their Champions League opener by keeping out a penalty and the rebound from Italy striker Mateo Retegui.Early in the second half, after Thomas Partey was beaten for pace by Ederson and pulled the Brazilian back, referee Clementin Turpin awarded a spot-kick.

Mikel Arteta admitted David Raya's astonishing double save against Atalanta was the best he has seen in his career.Raya ensured Arsenal avoided defeat in their Champions League opener by keeping out a penalty and the rebound from Italy striker Mateo Retegui.Early in the second half, after Thomas Partey was beaten for pace by Ederson and pulled the Brazilian back, referee Clementin Turpin awarded a spot-kick.