2017 Copa Sudamericana
The 2017 Copa CONMEBOL Sudamericana was the 16th edition of the CONMEBOL Sudamericana, South America's secondary club football tournament organized by CONMEBOL.
Argentinian club Independiente defeated Brazilian club Flamengo in the finals by an aggregate score of 3–2 to win their second tournament title. As champions, Independiente earned the right to play against the winners of the 2017 Copa Libertadores in the 2018 Recopa Sudamericana, and the winners of the 2017 J.League Cup in the 2018 Suruga Bank Championship. They also automatically qualified for the 2018 Copa Libertadores group stage.
Chapecoense were the defending champions, but were eliminated by Flamengo in the round of 16. They qualified for the tournament after finishing third in their 2017 Copa Libertadores group.
Format changes
Starting from this season, the following format changes were implemented:- The tournament was expanded from 47 to 54 teams.
- A total of 44 teams directly entered the Copa Sudamericana, while a total of 10 teams eliminated from the Copa Libertadores were transferred to the Copa Sudamericana.
- The schedule of the tournament was extended to year-round so it would start in March and conclude in early December.
- As the Copa Libertadores and the Copa Sudamericana would be held concurrently, no team would be able to qualify for both tournaments in the same year.
- The Copa Sudamericana champions would no longer directly qualify for the next edition as they would now directly qualify for the group stage of the Copa Libertadores.
- Brazil would be allocated six berths, decreased from eight.
- All teams directly entering the Copa Sudamericana would enter the [|first stage].
Teams
The following 44 teams from the 10 CONMEBOL associations qualified for the tournament, entering the first stage:- Argentina and Brazil: 6 berths each
- All other associations: 4 berths each
| Association | Team | Qualification method | ||||||||||||||||||||||||||
 nowrap|ScheduleThe schedule of the competition was as follows.
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