Mario Yepes believes Milan's consistency has been the key factor in their title challenge this season.
Milan have an eight-point lead at the top of Serie A with just four games remaining.
They appear set to win their first Scudetto since 2004.
Interviewed by Il Corriere della Sera, Yepes was asked to name Milan's best quality.
"Our consistency," he said. "We have been top of the table since November 20.
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