Cutler is confident that Foster can still improve, even though he turns 35 next month.
“I think he can without a doubt," Cutler, who joined from Walsall last month, told the Express & Star. “He's still got little details that I can work on and he can bring into his game can make him even better.
"He's so athletic, he's so quick around the goal, so powerful. If we can work on his shape a little bit more, which he's buying into, he can be even better.
"I'm trying to push him, I don't want him to coast, I don't want him to just be.
“At 35 you need to keep being tested, you don't want to come in and go home, you want to come in and learn something and develop."
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