URIN: Cristiano Ronaldo marked his 600th league appearance with his 20th Serie A goal of the season as Juventus beat Spezia 3-0 on Tuesday to move within three points of second-placed AC Milan. The Portuguese guided in his side's third goal late on after Alvaro Morata and Federico Chiesa struck earlier in the second half to put Andrea Pirlo's side in a commanding position. Ronaldo, who also hit the post with an effort in the first half, becomes the first player to score