Barca are still working in the transfer market, however, with Ousmane Dembele now linked to a move to Manchester United as the club chases Memphis Depay - a personal request of Koeman's.
The Latvian had been knocked out at the first round in 2018 and 2019. She will play Spain's Paula Badosa in the third round.
The Brazilian, who had entered the game as a substitute, took advantage of a loose ball to beat Valladolid keeper Roberto Jimenez with a diagonal shot.
Inter were three goals up in the 28th minute as Lukaku bagged his second after Roberto Gagliardini had smashed in a volley.
To survive its deep crisis, the 1997 UEFA-Cup winner needs to substantially realign its entire structure and create a serious plan to solve the team's problems, said former Schalke coach Ralf Rangnick.
The Belgian, who arrived from Chelsea for around 100 million euros in the summer of 2019, has struggled with a range of injuries since his arrival and taken part in just 22 games from a possible 53 since joining from Chelsea. Enditem
Reports speak of growing unrest among players and coaching staff regarding their claim to sign new faces to help a tired team recover and shape an era of success.
Emerson scored an own goal in the 48th minute of the game to make it 2-2 after goals from Aissa Mandi and William Carvalho overturned Fede Valverde's 14th minute opener for Real Madrid.
You Hao of Jiangsu competes during the men's rings final at the 2020 Chinese National Artistic Gymnastics Championships in Zhaoqing, south China's Guangdong Province, Sept. 27, 2020. (Xinhua/Cheng Min)
Elsewhere, Guangzhou Evergrande sealed the 1-0 win by an own goal from Dalian Pro defender Shan Pengfei.
Eibar's 2-1 defeat to Athletic Club leaves Jose Luis Mendilibar's side with just one point from their first three games of the season and after seeing them fail to create any chances from open play against their neighbors you fear for their future.