Aubameyang, 31, joined the Gunners from Bundesliga side Borussia Dortmund in 2018 and has since made 111 appearances and scored 72 goals.
With the domestic 2020/2021 campaign set to start on this Friday evening, none of the 17 challengers seems to have found a convincing answer yet.
"There was a period where there was an easy answer to what team is the best in the world. Now, that answer is no longer so easy, with Russia able to make a convincing argument, and Germany not far behind," the FIVB's website reported on Tuesday.
The club again has put its future in the hands of brilliant but inexperienced up-and-coming players.
"Players like Riqui have something special, but it is going to be very complicated for him here as there is a lot of competition. I have told him that he has a future here, and we will think about what is the best way to succeed at Barca," he added.
The Spanish press reported on Saturday that the Welsh international is carrying an injury that sidelined him for a month, but Bale made no reference to that in his first interview.
"We are in CAF already because our names have been taken there. Even if you are going by last year's records, if you nullify the league, last year's champions represent the country, which is ourselves," said Rachier.
Li Shenglong's fantastic diving header threw SIPG into the second round after collecting Civanildo Souza (Hulk)'s corner kick.
Five minutes later, the crossbar denied Dortmund a greater lead before the break, as Jadon Sancho's header bounced off the woodwork.
Slovan's Brazilian striker Rafael Ratao had the biggest opportunity in the 41st minute when he found himself one-on-one with the goalkeeper but failed to take the clear-cut chance, instead, failing to square the ball to a teammate.
Lucas Oliveira put the hosts ahead with a rasping 20-yard effort that flew into the top-left corner before Keno equalized from the penalty spot after Nathan Souza was brought down by Eder Ferreira.