Complex sentence: On 21 May 2014, UEFA launched an investigation against Sivasspor and Eskişehirspor and will hear cases on June 2 and 3 and on 6 June 2014 declared that Eskişehirspor and Sivasspor are not eligible to participate in the 2014/15 UEFA Europa League.
Split into simpler sentences: On 21 May 2014, UEFA launched an investigation against Sivasspor and Eskişehirspor and will hear cases on June 2 and 3. On 6 June 2014 UEFA declared that Eskişehirspor and Sivasspor are not eligible to participate in the 2014/15 UEFA Europa League.