Webb made his debut for Ospreys in 2007 after coming through the Bridgend ranks and played his first game for Wales in the 2012 Six Nations against Italy as a replacement.
He represented Wales at underage level and was part of the principalities 2008 IRB World Championships squad.
Webb was a member of the Wales squad that won the 2009 Rugby World Cup Sevens in Dubai and continues to be part of the national rugby 7s set-up in 2010.
Scored his first Test try v Australia in the 2014 Autumn Tests' on his 7th appearance & added 4 more tries in his next 7 appearances.
Played in two 2015 RWC warm up games but an injured foot against Italy ruled him out of rugby for five months. Returned to action for the last two rounds of the 2016 RBS 6 Nations scoring a try against Italy.
In December 2016, Webb became the 2nd player to re-sign a NDC with the WRU continuing his 11-year allegiance to the Ospreys.
After a strong 2017 Six Nations, the Welsh scrumhalf toured New Zealand (scoring a try in the first Test) with the B&I Lions in the summer of 2017.
In October 2017, Webb announced that he will leave Welsh Rugby at the end of the 2017-18 season to join Toulon on a three-year contract.
In January 2018 he was named in Wales 6 Nations squad, he enters the competition having made 31 appearances for his country scoring 7 tries.
As of the 2018/2019 Champion Cup, Webb has had 29 European Cups appearances scoring 8 tries and 40 points.
JW January 18
|British & Irish Lions
|2017 - present|
|2018 - present|
|2019 - present|
|Bridgend Athletic RFC
|2006 - 2009|
|2007 - 2018|
|2012 - 2018|