Real Madrid lacked creativity in a poor game at Atalanta but Zinedine Zidane was pleased with the way they stuck to the task.
Manchester City were dominant throughout a 2-0 win over Borussia Monchengladbach but Pep Guardiola feels their finishing has to improve.
Manchester City playmaker Bernardo Silva has been working on his heading and it paid dividends against Borussia Monchengladbach.
Injury-hit Real Madrid will start the second leg against Atalanta with the edge after Ferland Mendy's late winner.
Joao Cancelo was the star of the show for Manchester City, with a hand in Bernardo SIlva and Gabriel Jesus' goals against Gladbach.
Liverpool fans were buoyed by the sight of Virgil van Dijk and Diogo Jota being back on the training field on Wednesday.
After heartbreak on the field and tragedy off it, Atalanta are back in the Champions League knockout stages and gunning for Real Madrid.
Real Madrid head to Atalanta and Borussia Monchengladbach host Manchester City in Wednesday's Champions League ties.
Lazio conceded four goals inside 47 minutes against Bayern Munich and boss Simone Inzaghi was frustrated with the error-strewn display.
Atletico Madrid can still have a great season despite a slender first-leg Champions League loss to Chelsea, says Jan Oblak.