INTER MILAN went back to the top of Serie A after beating SPAL 2-1 while Juventus surprisingly slipped-up against Sassuolo, relying on a penalty from Cristiano Ronaldo – his first goal since the end of October – to maintain their unbeaten record. While Juve still haven’t been beaten, Inter’s resilience under Antonio Conte underlines that they are genuine contenders for the first time in years, despite losing the Derby d’Italia when Juve won 2-1 at the San Siro earlier this season. Is all well at Juventus? There has been talk of Cristiano Ronaldo having some issues at the club. Recently, he stormed out of the Allianz Stadium after being substituted in the 55th minute of a clash with AC Milan for the second successive…