Roma, Paris Saint-Germain, Ajax, Bayern Munich and Wolverhampton Wanderers have also been linked with the attacker.
Atletico Madrid were unable to repeat the performance that gave them a 6-1 win over Granada at the weekend, as they were held 0-0 away to recently promoted Huesca.
Everton go to bed as league leaders on Saturday night after a strike from Dominic Calvert-Lewin and Richarlison's penalty, given by VAR for handball, gave them a 2-1 win away to Crystal Palace in a game between two sides that had begun the season with two wins from their first two matches.
Celta meanwhile will put their faith in Aspas, who has already scored three goals this season and will be a handful for the Barca back line.
The 16-team CSL was split into two groups respectively in Dalian and Suzhou. Both groups will play 14 rounds in the first phase, which is to end next Monday.
Stage two containing eight groups will be held from October 26 to 29. Stage Three with two groups is scheduled to play on October 30 and the final is on October 30. Enditem
Things went from bad to worse as Neuer felled Bebou inside the box to concede a penalty in the closing period. Kramaric stepped up to sew up the 4-1 victory on home soil.
Chelsea boss Frank Lampard benched much-criticized goalkeeper Kepa Arrizabalaga and replaced him with Willy Caballero, but his side trailed 3-0 at the break as Callum Robinson netted in the fourth and 25th minute and Kyle Bartley made it 3-0 in the 27th minute.
Bayern responded well but still lacked in penetration to overcome Hoffenheim's defense. To make things worse, Hoffenheim doubled their advantage eight minutes later as Munas Dabbur capitalized on a misplaced clearance from Benjamin Pavard to beat goalkeeper Manuel Neuer into the far post corner.
Chelsea fought back after the break: Mason Mount gave Chelsea a lifeline in the 55th minute, Hudson-Odoi then scored with 20 minutes left to play and Tammy Abraham scored the equalizer in the 94th minute.
In Tuesday's other action, Shanghai smashed Hebei 3-0 (25-18, 25-12, 25-7), Tianjin beat Yunnan 3-0 (25-12, 25-17, 25-13), Liaoning defeated Guangdong 3-0 (25-18, 25-12, 25-15), and Zhejiang crushed Sichuan 3-0 (25-12, 25-14, 25-16). Enditem