Northampton Saints In 2016 Furbank played for Saints in the Singha Premiership Rugby Sevens Series campaign, and in 2017 he signed an extended contract with the Midlands side. In November 2017 Furbank made his club debut and scored his first try for Northampton in an
Anglo-Welsh Cup game against
Exeter Chiefs. The following season he started in the
2018–19 Premiership Rugby Cup final as Northampton beat
Saracens to lift the trophy. Furbank scored two tries in a
2023–24 European Rugby Champions Cup pool stage game against
RC Toulon and later in that campaign started in their semi-final elimination against
Leinster. At the end of that season he started in the
2023–24 Premiership Rugby final as Northampton defeated
Bath to become League champions. Ahead of the 2024–25 season, Furbank was named as club captain, having captained the club 12 times in the previous season due to injuries to
Lewis Ludlam. In April 2025, upon his return from a fractured arm, Furbank scored a try and made two assists in a 5116 win against
Castres in the
2024–25 Champions Cup quarter final.
Harlequins On 8 April 2026, it was announced he would be leaving Northampton at the end of the
2025–26 season after 10 years at the club. On the same day it was confirmed that would join fellow Premiership side
Harlequins. == International career ==