All four tries in their 18-6 win over Toulouse at Odsal came from that side – Waqa Blake scoring first before Ethan Ryan weighed in with a hat-trick.
Haggerty said: “They are rugby players – you get them the ball, you let them play, you give them a couple of key principles to play off, and then let them do their thing.
“Both are fantastic players. They’re both big bodies, both carry the ball strong, they’re both gifted rugby players, and ultimately you’ve got to have a philosophy to get the ball to them.
“When you do, you see the best version of Waqa in particular because he’s getting service with the ball in good areas, and he’s showing class at the moment.”
It was not a classic between the two promoted sides but Bradford had no complaints at a first win in six attempts against the French side.
“It was long, scrappy, messy but it’s good to come out the right side of those games,” added head coach Haggerty. “We showed a version of defence where we were resilient and tough.
“You’ve got to pay respect to Toulouse as well. They’re a really dogged and gritty team, so we had to be patient.
“We probably didn’t move the ball as much as we have done, or we planned to. But ultimately, I thought the work we did off the yardage laid the platform for what we did when we executed.”
Defence played a big part for the Bulls as they followed up the first home win over Catalan Dragons with another. But Haggerty knows there are testing visits to come now at St Helens and Wigans.
“We’ve got to continue that now, we’ve got a big two-week coming up, which we just spoke about as a team, so we’ve got to continue to keep doing that all the way through the season.”
Haggerty also confirmed that prop Ebon Scurr faces six weeks out with a hamstring injury.