Juventus lost two players to injury in the first half as defender Danilo had to go of after colliding with Gaston Ramriez and Paulo Dybala suffered a muscular injury to his left leg.
Juve doubled their lead in 67th minute. Sampdoria goalkeeper Emil Audero could not hold Ronaldo’s shot and Bernardeschi, who had replaced Danilo, snapped up the rebound.
Ronaldo’s evening ended on a sour note when he smashed a penalty against the crossbar after Alex Sandro was fouled.
Cristiano Ronaldo’s hope of winning the Golden boot on probability even after winning the Serie A.
Ciro Immobile nets an hat-trick to secure his 34th goal levelling with Robert Lewandoski and leading Ronaldo by 3 goals in the race.