And the Blues boast an impressive disciplinary record to match, having collected just seven bookings from seven league fixtures.
It signals a notable improvement to last term after Danny Cowley’s men picked up 75 yellow cards and two red cards across the 2021-22 campaign.
But how do Pompey’s tally of bookings to date compare to their League One rivals?
We’ve consulted Transfermarkt, who use a points-based system to work out which sides are the dirtiest in the division.
That total is calculated through a yellow card scoring one point, a second yellow card worth three points, while a straight red adds five points to the tally.
Here’s how the Blues’ score of seven points compares to the rest of League One.