"We have good bench players, which makes me be confident when facing the upcoming new season," the 54-year-old added.
Both sides had chances to break the deadlock in the first half but missed them all.
Quintero represented River Plate 61 times and scored 12 goals after his arrival from Independiente Medellin in 2017.
Elsewhere, fifth seed Alexander Zverev of Germany beat Frenchman Adrian Mannarino 6-7 (4), 6-4, 6-2, 6-2 to advance, while fourth seed Stefanos Tsitsipas of Greece was upset by Croatia's Borna Coric in a five-set thriller.
"Piatek traveled to Bosnia against our agreement," said Preetz in an interview for Kicker magazine on Sunday evening.
FIFA added that a new schedule would be unveiled "in due course" after further talks with CONCACAF officials, confirming only that the first round would be in March.
It might be of help for Loew that 11 players in his squad are on the books of top European clubs. Besides that, Loew can count on an axis of Bayern's new generation, such as Joshua Kimmich and Leon Goretzka.
HANGZHOU, Sept. 6 (Xinhua) -- A canoeing relay was held on Sunday in Hangzhou, host city of the 19th Asian Games in 2022, with the Games set to welcome their two-year countdown next week.
Having finished just 17 hundredths of a second short at last month's opening Diamond League meeting in Monaco, Kipyegon seemed on track to achieve her ambition with 200 meters remaining, but faltered slightly over the final few meters to cross the line in 2:29.92.
This win came weeks after another Ugandan star Joshua Cheptegei shattered Ethiopian legend Kenenisa Bekele's 16-year-old 5,000m world record at the restart of the coronavirus-hit Diamond League in Monaco, France.
"I managed to beat this milestone of 100 goals and now for the record (109)," said Ronaldo, who is only outscored by Iran's Ali Daei with 109 international goals. "It's step-by-step. I am not obsessed because I believe the records come in a natural way."