The latest Madrid derby saw Atletico and Real Madrid clash in a tense knockout battle.
Gallagher opened the scoring in the 28th second, but no further goals followed in regulation time, Idman.biz reports.
With the aggregate score tied at 2-2, the match went into extra time, eventually leading to a penalty shootout. Defending champions Real Madrid converted their penalties more precisely and secured a quarterfinal spot.
In the quarter-finals, PSG - Aston Villa, Arsenal - Real Madrid, Barcelona - Borussia D, Bayern - Inter will face off.
Champions League: Round of 16 results
March 12, second leg matches
00:00. Atlético Madrid 1-0 Real Madrid (AET, 0-0, Pen. 2-4)
Goal: Gallagher (1')
First Leg: Real Madrid won 2-1
00:00. Arsenal 2-2 PSV
Goals: Zinchenko (6'), Rice (37') – Perišić (18'), Drieu (70')
First Leg: Arsenal won 7-1
00:00. Aston Villa 3-0 Club Brugge
Goals: Marco Asensio (51', 61'), Maatsen (57')
First Leg: Aston Villa won 3-1
21:45. Lille 1-2 Borussia Dortmund
Goals: David (5') – Emre Can (54' pen.), Bayer (65')
First Leg: 1-1
Idman.biz
