 Complete the following phrase:  On 14 February 2013, less than a minute after coming off the bench to replace Mata, Oscar exchanged passes with Hazard before finishing past Tomáš Vaclík, breaking the deadlock and handing Chelsea a 10 away victory over Sparta Praha in the first leg of their Europa League Round of 32 clash. On 15 May, Oscar played the full ninety minutes as Chelsea defeated Benfica 21 in the 