Antonio Conte has called on Inter to be more clinical after they only managed a 1-0 victory over 10-man Udinese on Saturday.
Inter moved to the top of Serie A, two points clear of Juventus, as their third win in as many matches was secured by Stefano Sensi's first-half header.
Sensi's goal followed Rodrigo De Paul being shown a red card, after referee Maurizio Mariani reviewed footage of him striking Antonio Candreva on the head away from the ball.
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Romelu Lukaku failed to have a single shot at goal, while Alexis Sanchez was brought on for his debut with just 10 minutes remaining as the Nerazzurri scraped through.