Siddle, who is good pals with English cricketer Darren Pattinson, and has also played with him internationally, said that he always was sure that Jamie would grow up to be fabulous cricketer and always had the potential.
"Yeah, he's been like a little brother to me. I played club cricket at Dandenong alongside his brother [the English cricket international Darren Pattinson] and we're good mates," the Sydney Morning Herald quoted Siddle, as saying.
"I've watched little Jamie grow up from the days he'd come to watch us play and tell us how good he was, how many runs he'd scored and the number of wickets he'd taken [that morning for the under 12s]. But what I saw in Jamie, even all those years ago, was a great work ethic and I thought it'd allow for him to succeed," he added.
"People say he's had immediate success, but it hasn't been a fluke ... he's worked hard for it and I have no doubt if he can stay on the park, get 10 good years, he'll match some of Australia's best [fast bowlers] for sure. He could easily be one of the best," he said.
Pattinson, 22, was as equally emphatic about the role Siddle had in not only sparking his desire to represent Australia, but also in nursing him through last year's baptism of fire when he was selected to play the Kiwis after a handful of first-class games.
"He's like an older brother. I've had a lot to do with him since I was 10 because my brother played alongside him and I don't mind admitting he was someone I've looked up to; who I wanted to bowl like," he said.
"[It was a comfort because] he'd been there before, he knew what to expect, and he helped me to relax. It's been great to achieve such things with a person you grow up with and have spent so much time alongside ... to share all this with him has been special," he added. (ANI)