Mikel Arteta explains rare Bukayo Saka substitution decision during Arsenal draw
Arsenal's captain for the night was replaced on the hour mark
Kasper Hjulmand explains touchline exchange with Nicolas Jover and delivers verdict on Arsenal penalty
Arsenal conceded from a set-piece in their last-16 Champions League tie in Leverkusen
Leandro Trossard injury: Mikel Arteta issues new update after Arsenal Champions League draw
Trossard trained on Tuesday but did not make the matchday squad in Leverkusen
