What happened on Day 2 of the UEFA Champions League group stage
Highlights:
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Ronaldo red card vs. Valencia
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Bale, Isco & Mariano golazos vs. Roma
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Lyon shock City at the Etihad
Juventus 2-0 Valencia

Source: TV3
Ronaldo was sent off controversially for a foul on Jeison Murillo in the 30th minute on his Champions League debut for Juventus.
Despite the setback, Juventus maintained their composure and controlled the match as Valencia failed to capitalize on their one-man advantage.

xG (expected goals) map for Juventus vs. Valencia. (Source: Michael Caley)
Real Madrid 3-0 Roma

Source: Sport360
Real Madrid stormed to victory over Roma under new manager Julen Lopetegui in his first Champions League match as coach.
Isco’s superb free-kick started the damage by Real Madrid to start their Champions League title defence with Gareth Bale and Mariano Diaz following with fine strikes of their own.
Lopetegui’s Madrid played in a well-defined possession tactical system to beat Roma.
Captain Sergio Ramos picked up a record 37th yellow card at the Santiago Bernabeu, overtaking Paul Scholes.

xG (expected goals) map for Real Madrid vs. Roma. (Source: Michael Caley)

Real Madrid’s general positioning and movements in possession. (Source: Between the Posts)
Manchester City 1-2 Lyon

Source: SkySports
Pep Guardiola was forced to watch from the stands as a masterful Lyon stunned Manchester City 2-1.
Mikel Arteta was on the touchline for a uncharacteristically weak City as they struggled to control the match despite having most of the possession.

xG (expected goals) map for Manchester City vs. Lyon. (Source: Michael Caley)

Both teams general positioning and movements in possession. (Source: Between the Posts)