Josh Childress may be the two-metre key to success for the Sydney Kings, but the former NBA star says his name is only as big as others make it.

The Kings have labelled the signing of Childress for the 2014-15 NBL season as one of the biggest in the history of the competition.

Excited to be here: Former NBA star Josh Childress is looking forward to playing with the Sydney Kings. Credit:Getty Images

Head coach Damian Cotter said he would love to take credit, but the signing was not his idea.

"Our head of basketball operations brought it up many months ago. I thought he was crazy, and Josh and I had a conversation and it sort of just evolved from there," he said.