Who could replace Greig Laidlaw at Gloucester?

Greig Laidlaw is set to leave these shores for the French-giants Clermont Auvergne at the end of the season, so who will fill his berth for the Cherry and Whites?The Scottish scrum-half has been a stalwart for Gloucester since his arrival in 2014.Having been named the club captain for this season, he will leave a sizable void in a pivotal position for the team.Read: Confirmed: Greig Laidlaw leaving Gloucester Rugby for FranceThe news that he is leaving will set the rumour mill in motion and..., Who could replace Greig Laidlaw at Gloucester?