Complex sentence: Instead, after going 10-2 the Golden Tigers made their first playoff appearance in school history for the 2013 NCAA Division II Football Championship, for which they had qualified in the past but could not participate due to the Turkey Day Classic.
Split into simpler sentences: Instead, after going 10-2 the Golden Tigers made their first playoff appearance in school history for the 2013 NCAA Division II Football Championship. They have qualified in the past but, did not participated due to the Turkey Day Classic.