Complex sentence: A product of Sporting de Gijón's youth ranks, López amassed 16 second division appearances during his first two professional seasons, including three in 2007--08 as the club returned to La Liga after ten years.
Split into simpler sentences: A product of Sporting de Gijón's youth ranks, López amassed 16 second division appearances during his first two professional seasons. That total included three in 2007--08, as the club returned to La Liga after ten years.