Fiorentina struggled at times before grinding out a 1-0 win against struggling Livorno on Sunday in a Serie A match which saw star striker Giuseppe Rossi injured again.

Gonzalo Rodriguez scored the only goal of the game in the 66th minute, heading home Borja Valero's corner from the center of the area as the Italian league resumed following a winter break.

Rossi, who is the top scorer in Serie A, had two good first-half chances before limping off with a knee injury in the second period. The United States-born forward has only recently recovered from two years of injuries.

Livorno almost took the lead shortly before Fiorentina scored, when Ibrahima Mbaye was left unmarked but headed off the crossbar. The visitors went close again when Paulinho rounded Fiorentina goalkeeper Neto but Rodriguez got back to clear off the line.

Fiorentina moved provisionally level on points with third-placed Napoli, which hosts Sampdoria on Monday. Livorno remained two points off safety.

Leader Juventus hosts second-place Roma later, looking for its 10th consecutive win.

Earlier, Cagliari missed a penalty as it was held to a 0-0 draw at lowly Chievo Verona.

Mauricio Pinilla blasted his spot kick over the bar in the 66th minute after the Chilean forward had been tripped by Bostjan Cesar. It was the first penalty Chievo had conceded all season.

Both teams struggled to create any scoring opportunities. Chievo's best chance came with its first sight of goal, just before the hour mark, when Cyril Thereau's effort scraped past the outside of the post.

Cagliari extended its unbeaten run to seven, while Chievo snapped a run of two defeats and moved provisionally two points off the relegation zone.