The Italian champions remain undefeated in the competition this season and sit fifth on 10 points at the midway point of the new league phase format.
"He's working well, he's training well... it's important for his growth. As long as there is humility, the heart always responds," Simeone told Movistar, while giving credit to Nahuel Molina's pass that led to Giuliano's goal.
Even a single point would have flattered Diego Simeone's side but they took all three when the Argentina international, on as a substitute, finished Antoine Griezmann's cross at the back post.
The European top-flight has switched from a group stage to a league phase where 36 teams play eight matches each, with the top eight in the table progressing directly to the next round, while the next 16 teams enter a two-legged playoff.
"It's amazing, to get a last-minute goal like this is always fantastic and it's good to give the fans something to cheer about," Atletico's former Leipzig striker Alexander Sorloth told DAZN.
Diego Simeone's Atletico Madrid shared an entertaining 2-2 draw with Villarreal as they began their La Liga campaign on Monday.
After a summer dominated by Spain, with La Roja storming to Euro 2024 triumph and their youngsters claiming gold at the Paris Olympics, the focus now turns to Spain once again as LaLiga kicks off on Thursday.
The 24-year-old Argentina international's exit marks a record sale price for City, eclipsing the 50 million pounds Chelsea paid for winger Raheem Sterling in 2022.
The 24-year-old cost City just £14 million when he signed from River Plate in January 2022 and his since enjoyed a meteoric rise, helping Argentina to World Cup and Copa America glory, as well as winning two Premier League titles and the Champions League at club level.
Spanish football breathed a sigh of relief after a CT scan on Fernando Torres revealed the Atletico Madrid striker suffered no traumatic brain injuries in a sickening on-field clash on Thursday.
Atletico Madrid beat hosts Bayer Leverkusen 4-2 in a topsy-turvy encounter to take a firm handle on their Champions League round-of-16 tie ahead of the return leg in Spain next month.
Luis Suarez booked Barcelona's place in a fourth consecutive Copa del Rey final but was sent off as a bad-tempered 1-1 draw with Atletico Madrid on Tuesday secured a 3-2 aggregate win.
Atletico Madrid will have to win at Barcelona's Nou Camp for the first time in a decade on Tuesday if they are to reach the King's Cup final.
Holders Barcelona have a fourth consecutive Copa del Rey final in sight when Atletico Madrid visit the Camp Nou on Tuesday with the daunting task of overturning a 2-1 semi-final, first leg deficit.
Atletico Madrid's troubles away from home continued when they were held to a goalless draw at Alaves on Saturday, dropping points on the road for a second consecutive week and losing Uruguay international Jose Maria Gimenez to injury.
Antoine Griezmann struck for the third time in as many games in 2017 as Atletico Madrid secured their place in the quarter-finals of the Copa del Rey 4-3 on aggregate despite losing 3-2 at home to Las Palmas on Tuesday.
A stunning 25-yard strike from Saul Niguez snapped Atletico Madrid's three-game winless streak with a nervy 1-0 win over Las Palmas on Saturday to move up to fifth in La Liga.
Robert Lewandowski scored a brilliant free kick to give Bayern Munich a 1-0 win over Atletico Madrid in their last Champions League Group D outing on Tuesday, ending the 100 percent record of their opponents.
Real Madrid remain six points clear at the top of La Liga after Sergio Ramos's late leveller earned a 1-1 draw at Barcelona in El Clasico on a weekend in which none of the top six won.