Complex sentence: At the 2013 Italian Grand Prix it was announced that Daniel Ricciardo had been chosen to succeed Mark Webber at Red Bull Racing, for 2014 Toro Rosso retained Jean-Éric Vergne but had also signed newcomer Daniil Kvyat.
Split into simpler sentences: At the 2013 Italian Grand Prix it was announced that Daniel Ricciardo had been chosen to succeed Mark Webber at Red Bull Racing. For 2014, Toro Rosso retained Jean-Éric Vergne and signed newcomer Daniil Kvyat.