Complex sentence: On April 9,2010, Zenyatta won the Apple Blossom Invitational, joining the elite class of Triple Crown Winner Citation (horse) and the mighty Cigar (horse) with 16 straight wins.
Split into simpler sentences: On April 9,2010 Zenyatta won the Apple Blossom Invitational which makes her record 16 for 16. She is now in the elite class of Triple Crown Winner Citation (horse) and the mighty Cigar (horse) with 16 straight wins.