Complex sentence: The 2007 edition of the J. League Cup sponsored by Nabisco began on March 21 with reigning champions JEF United seeking to claim their 3rd successive crown to equal the record set by Verdy Kawasaki when the competition began in 1992.
Split into simpler sentences: The 2007 edition of the J. League Cup sponsored by Nabisco began on March 21 with reigning champions JEF United seeking to claim their 3rd successive crown. This would equal the record set by Verdy Kawasaki when the competition began in 1992.