He held that position with the Super League side for three years before being promoted to the Head of Strength & Conditioning in 2011.

[2] He joined the London Broncos in 2012 as Strength and Conditioning Coach, before heading up the department a year later.

[2] Eccles replaced Jermaine Coleman in an interim capacity in May 2022, with London languishing towards the bottom of the Championship following their move to Plough Lane ahead of their 2022 season.

[7][8] In October 2023 he coached London back to the Super League, after victory in the Championship Grand Final against Toulouse Olympique in France.

Under Eccles, London were relegated back to the Championship after only one season in the Super League having only won three of 27 matches.