Last season's runners-up Boca Juniors were held by Bolivian hosts Jorge Wilstermann in Group G on Tuesday.
We assess the leading candidates for glory and the potential stars ahead of the start of the 2019 Copa Libertadores.
The Club World Cup might have brought defeat to Al Ain but River Plate boss Marcelo Gallardo knows his team have gone down in history.
After upstaging bitter rivals Boca Juniors for a fourth Copa Libertadores crown, River Plate were drawn in Group A for the 2019 edition.
Reported Real Madrid target Mauro Icardi watched the Superclasico in Spain, yet Inter boss Luciano Spalletti insisted there was no issue.
River Plate's players will forever be remembered for beating Boca Juniors to win a fourth Copa Libertadores title, says Leonardo Ponzio.
After winning the Copa Libertadores, River Plate defender Jonatan Maidana is eager to face Real Madrid.
Boca Juniors boss Guillermo Barros Schelotto could not hide his disappointment after Sunday's Copa Libertadores final loss to River Plate.
Gonzalo Martinez's time at River Plate is coming to an end, as one of the stars of their Copa Libertadores triumph has said he is leaving.
River Plate won a fourth Copa Libertadores title as two extra-time goals saw them come from behind to beat Boca Juniors 3-1 in Madrid.