The visiting La Liga side enjoyed a big edge in possession at the start here on Tuesday and probably should have taken the lead in the 1st minute on a defensive error that left Michy Batshuayi with the ball in scoring position, but the Belgian failed to beat Sporting keeper Dani Martin, reports Efe.
Instead, it was a Valencia defensive lapse that set up the first goal, allowing Andre Sousa to float the ball to a waiting Javi Noblejas, who evaded defender Mouctar Diakhaby and overcame keeper Jaume Domenech to give Sporting the lead in the 33rd minute.
The hosts were by far the more ambitious team on the attack in the second half, yet Domenech dealt easily with efforts by Noblejas and Sousa.
Traver's ball found Blackman on the edge of the area and the Englishman unleashed a thunderous header to make it 2-1 for Sporting in the 78th minute.
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