Complex sentence: He appeared once for the first team in the 2006--07 season, with the Andalusians in the second division; subsequently, he spent two years on loan in the third level, with AD Alcorcón and UD Marbella.
Split into simpler sentences: He appeared once for the first team in the 2006--07 season, with the Andalusians in the second division. Subsequently he spent two years on loan in the third level, with AD Alcorcón and UD Marbella.