Complex sentence: Philippou got a second chance in the UFC after stepping in as a late replacement for Dan Miller, who was moved up the card to face Nate Marquardt, facing Nick Catone at UFC 128 in a catchweight bout of 195 pounds.
Split into simpler sentences: Philippou got a second chance in the UFC after stepping in as a late replacement for Dan Miller, who was moved up the card to face Nate Marquardt. He faced Nick Catone at UFC 128 in a catchweight bout of 195 pounds.