The only down side for the capital-based team was that Renato Augusto limped off with injury as the Brazilian was suspected of suffering a muscular problem.
"We will be announcing a new rival on the same date as soon as possible," the entity said in a separate statement.
Jiangsu sealed the win just three minutes later as Xie Pengfei converted a free kick and into the box and the ball hit at his teammate Li Ang, which created a rebound for Martins to score a volley.
According to reports, Saba will sign for three seasons at his new club, earning about 3 million U.S. dollars per year.
The 24-year-old striker has put to pen to paper on a five-year deal which binds him to the "Bulls" until June 2025.
El Tri and Guatemala have met 33 times, with Mexico winning 21, drawing eight and losing four.
Valencia drew level when Maxi Gomez scored an impressive goal in the first minute of the second half following a pass from Daniel Wass but Aspas had the final word with a dipping free kick in the 57th minute.
Josue's penalty doubled Beer Sheva's lead in the 71st minute, after Vitor was fouled in the area by Motherwell defender Declan Gallagher, who was sent off for a second yellow card.
A few weeks ago, Union Berlin striker Sebastian Polter was suspended following a corona-based wage dispute.
Brazilian news outlet O Globo said former Atletico Madrid duo Diego Ribas and Filipe Luis were among the players to test positive. Others were Chile international right-back Mauricio Isla, winger Bruno Henrique, forward Michael Delgado and defender Matheuzinho, the report added.
After the restart, Esteghlal were quick to cement their place in the Round of 16 with a third goal, as Karimi supplied a chipped cross from the edge of the penalty area for Cheick Diabate, who guided his header past Al Owais to make it 3-0.