Tense last-16 match ended 1-1 on aggregate on Tuesday, but Arsenal survived a penalty shootout to squeeze past Porto and go to the Champions League quarterfinals for the first time in 14 years.
After extra time ended with the London club winning 1-0, the hosts coolly converted their first four penalties. Wendell of Porto struck the post before David Raya stopped Galeno’s attempt to take Arsenal through 4-2 in the shootout.
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Just before halfway, Leandro Trossard’s goal tied the match on aggregate, but the Portuguese team frustrated Premier League leaders Arsenal.
Even though extra time was unable to break the tie, Mike Arteta’s team persevered to end a streak of seven straight eliminations at the last-16 stage.
By Martyn Herman with reporting Toby Davis handled the editing.