Barcelona's bench depth is one of the key factors that has helped them dominate La Liga for many years. The Catalans have a squad with a wealth of talent, but their ability to rotate and make strategic substitutions has been crucial to their success.

One example of this comes from last season when Barcelona faced Real Madrid in the quarter-finals of the Copa del Rey. In the first leg at home, Barcelona was trailing 2-1 going into the final minutes. However, they made some tactical changes and made use of their bench depth to turn the game around.

In the second half, Barcelona brought on several players who were not normally part of the starting XI, including the likes of Frenkie de Jong, Sergi Roberto, and Jordi Alba. These substitutions had a significant impact on the match, as Barcelona went on to win 5-2 and advance to the semi-finals.

Another example of Barcelona's bench depth can be seen in their recent Champions League campaign. Throughout the group stage, Barcelona struggled to find their rhythm and often found themselves behind before making changes to their team.

However, when they did make those changes, it was usually to bring on players like Samuel Umtiti, Nelson Semedo, and Pau Torres. These players, along with other members of the bench, provided valuable experience and helped to keep Barcelona in the tournament.

Overall, Barcelona's bench depth has been a major factor in their success over the past few seasons. By rotating and making strategic substitutions, they have been able to stay competitive even when facing tough opponents and have come out on top in many matches. This has helped them maintain their dominance in La Liga and in Europe, and it will undoubtedly continue to be a key factor in their future successes.