He spent the better part of his 16-year professional career in Spain, amassing La Liga totals of 177 matches and 17 goals mainly with Real Madrid, but also played in Italy for Inter Milan, winning 13 major titles between both teams.

Born in Rosario, Santa Fe,[2] Solari played youth football for Newell's Old Boys and Renato Cesarini, after returning from the United States where he attended Richard Stockton College in New Jersey.

Solari made eleven appearances for the Argentina national football team in five years,[clarification needed] but was not selected for any major international tournaments.

[29] América began the Apertura 2021 tournament with four victories and one draw from five matches, taking Solari's total tally with the club to 18 wins from his first 27 games, tying the mark set by Leo Beenhakker during the 1994–95 campaign.

[31] The team finished the Apertura regular phase first in the table with 37 points, though once again falling at the quarter-final stage, being ousted by Club Universidad Nacional 3–1 on aggregate; they had managed to remain unbeaten at home throughout the 2021 calendar year (winning 13 and drawing three).

[33] A dynamic and versatile left-footed winger, with excellent technical ability, Solari was mainly known for his dribbling skills, although he was also an accurate passer and was capable of striking the ball from distance with both feet.

[35][36] Nicknamed Indiecito (Little Indian in Spanish), Solari came from a sporting family: his uncle Jorge, his father Eduardo and two of his four siblings, younger Esteban and David, were also footballers.

[41] His uncle Jorge played for several clubs during his career, mostly River Plate, whilst his cousin Natalia married Fernando Redondo who also represented Real Madrid.