Wales star signs for English champions
Wales star signs for English championsSHARE
Since making his debut for Wales' capital region, Cuthbert has made 112 appearances and touched down 45 times.
The 27-year-old has established himself as a firm favourite at Cardiff Arms Park but has cited the need for a new challenge at this stage of his career.
Cardiff Blues thanked Alex for his time at the region and wish him the very best for his move to Exeter Chiefs.