Complex sentence: Falcao's talents have been recognized by football players former and current, perhaps most notably by former Barcelona manager Pep Guardiola, who described him as "sensational" and as one of the most talented in the world.
Split into simpler sentences: Falcao's talents have been recognized by football players former and current. Former Barcelona manager Pep Guardiola described him as "sensational" and as one of the most talented in the world.