Off-contract at the end of this season, Gubb is unwanted by the Raiders for 2019.

The front-rower is looking for options in the English Super League.

According to reports, three English clubs are keen to sign Gubb.

The 28-year-old has only played five NRL games for Canberra in 2018.

Gubb made his NRL debut with the New Zealand Warriors in 2013.