"After extensive conversations about holding a men's national team camp in October, we ultimately determined the unique challenges created by COVID-19 as it relates to hosting international opponents and getting our players together wouldn't allow us to move forward," US men's national team general manager Brian McBride said.
Philippe Coutinho also has a lot to prove after his loan spell at Bayern, while questions remain over what style of play Koeman will look to impose.
The 2020 season marks the debut of a new region, PCS, which encompasses players and teams from Southeast Asia. For the 2020 World Championship, the PCS has two seeds.
A few weeks ago, Union Berlin striker Sebastian Polter was suspended following a corona-based wage dispute.
"Zlatan Ibrahimovic has tested positive for COVID-19 following a second round of swab tests ahead of tonight's game against Bodo Glimt," read a statement.
In other matches on Wednesday, Caracas secured a 2-1 home victory over Libertad, Defensa y Justicia won 2-1 at home to Olimpia and America de Cali were held to a 1-1 draw by Universidad Catolica. Enditem
Hertha was able to score a consolation goal in the 76th minute with the assistance of Martin Hinteregger, who cleared a square pass from Torunarigha into the wrong goal.
The Rossoneri underwent the second round of tests after the positive result of center-back Leo Duarte, and then confirmed Ibrahimovic's diagnoses.
The second half seemed to end in a draw, especially when both sides nearly ran out of stamina with more mistakes. Thanks to defender Ding Haifeng's accurate pass, Markao made a final hit for the Hebei side with a powerful header in the 91st minute.
DeChambeau, who turned 27 this week, won the tournament by a comfortable margin of six strokes.
The second half started similar to the first as Leverkusen were the more active team whereas the "Wolves" lurked for their chances.