Consolation score for Zebre with a minute to go, as sub Cristiano crashes over for the score.
With 8 minutes left on the clock, and the game all but over, Roberts crashes over the line from close range to score what are incredibly the first points of the half. Halfpenny successfully converts.
15 minutes left on the clock and still little to report. The game has a considerably slowing pace than in the first half thanks to the influx of subs which has affected the flow of the game. Cardiff look happy to close out the game and take a deserved win.
With just over 20 minutes to go, the score remains 21-6 to Cardiff. Both teams are now struggling to create much in terms of attacking rugby as the pitch condition continues to deteriorate.
After five minutes of the second half, the game has restarted at a lively pace, but no score to report as of yet. The Blues dominating early with the extra man, as the rain continues to pour in Cardiff.
Heartbreak for Zebre at the end of the half as, with 38 minutes gone, a number of good carries from the Blues pack finally allows Evans to sneak over for his sides second try. Halfpenny cant convert the conversion.
33 minutes gone, Zebre indiscipline is beginning to hurt them as they concede another kickable penalty in defence. Halfpenny keeps his 100% record intact, slotting his third penalty of the afternoon.
Despite the conditions both teams are continuing to attack. Zebre showing great fight to earn another penalty, converted again by the Australian Halangahu.
The Blues are beginning to get on top now, dominating in the pack especially. Halfpenny slots another penalty to extend his sides lead. 23 minutes gone.
Try for the Blues, as in the first bit of quality in the game the Blues rumble into Zebre territory to allow Patchell sythe through for a try. Halfpenny adds the extras to give his side a seven point lead.