Complex sentence: Colloquially, the name of the draft each year takes on the form of the NFL season in which players picked could begin playing, the 2010 NFL Draft was for the 2010 NFL season, although the NFL defined name of the process has changed since its inception.
Split into simpler sentences: Colloquially, the name of the draft each year takes on the form of the NFL season in which players picked could begin playing. However, the NFL defined name of the process has changed since its inception.