John Mousinho hailed the impact of Colby Bishop as Pompey maintained their fine start to the season.
The striker’s thumping finish midway through the second half settled a lively contest with Exeter at Fratton Park.
Manchester City loanee Alex Robertson also impressed on his first start for the club, while Will Norris made a superb save to deny Pierce Sweeney late on.
But despite all the positives on display for Pompey, Mousinho still feels there is plenty of room for improvement.
The Blues boss said: “I’m absolutely thrilled with the goal and the way Colby leads the line really sets the tone for our press.
“He’s physical, he’s strong, he doesn’t stop running and when he gets a chance, he puts it in the back of the net.
“It was Alex’s full debut for us and the adjustment to league football from Premier League Two is vast, but he grew into the game, becoming more of a threat as it went on.
“Ultimately, getting the goal when we did was brilliant and I thought we deserved it after a different kind of win at the weekend.
"I’m absolutely thrilled with the goal and the way Colby leads the line really sets the tone for our press."
“The only criticisms I had is that we have to put away those opportunities before the break and then once we’d got the lead, we needed to put our stamp on the game more.
“The final thing – and I don’t want to be too down on them – is that we didn’t manage things particularly well in the final 10 minutes.
“There were some rash decisions and although it’s a youngish group, there’s enough experience there to do a bit better.
“I felt that any opportunity they had to level would be gifted to them and Will had to dig us out at the end.”
Mousinho also revealed that midfielder Tom Lowey is set for a lengthy spell on the sidelines after injuring his knee against Bristol Rovers on the opening day.
He said: Tom’s due for surgery on Thursday and there’s a window for the recovery that’s probably looking at three to five months.
“That depends on what they find when they get in there because it’s a meniscus injury. He’s so unfortunate.
“It’s not a niggly groin or hamstring – there’s absolutely nothing he could do about it. I know he’ll come back stronger.”