Dave Nosworthy has likened the style of Somerset all-rounder Craig Overton to that of South Africa's Morne Morkel.
Morkel, 28, was coached by Nosworthy at youth level and is now ranked ninth among the world's bowlers after taking 175 Test wickets.
And the new Somerset boss believes Overton, 18, holds similar promise.
He said: "I spent a lot of time with Morkel at a similar age. There's a lot of potential and I'm looking forward to seeing how he [Overton] progresses."
Overton, along with twin brother Jamie, came through Somerset's academy system and broke into the senior squad last season.
Craig made his first-class debut against Lancashire and claimed his best bowling figures to date of 4-38 against Durham in only his second match for Somerset.
Nosworthy added: "It's still early days for the young man and I've found throughout my coaching career that potential lets you down more often than not,
"So he's got a long way to go, but I feel there is something there."
Overton admitted he was surprised to be included in the first-term squad so young, saying: "It was a strange feeling as it all happened so quickly.
"I came through the academy and wasn't expecting to play many games. But with all the injuries I played quite a few. I'm hoping for more experience this season."
The Devon-born Overton twins have been involved with England at Under-19 level, and Craig earned a call up to the Lions squad for their tour of Australia earlier this year.
And Jamie says his brother's achievements over the winter will spur him on.
"We're great rivals," he said. "We've always had good competition.
"If one gets further ahead, the other will try and catch up. I wouldn't say we are massively competitive but a bit always helps."