Champions League blog: Arsenal vs. Porto, Barcelona vs. Napoli as it happened

Champions League soccer is back for the round of 16! Europe’s premier club competition returns with two high-stakes matches on Tuesday, providing exciting matchups, top talent and drama.

Enjoy the play-by-play from both of the matches as Arsenal look to turn a 1-0 deficit to Porto and Barcelona face Napoli after a 1-1 draw.