- On October 16, 2004, against Espanyol, La Pulga entered for the Portuguese Deco and played his first official minutes with the Catalan club’s shirt to begin writing his legend.
- Leo was 17 years, 3 months and 22 days old: two decades later, he is the winningest player of all time.
The day football changed forever: 20 years ago, Lionel Messi debuted for Barcelona
