George Williams' customary grubber kick
to the left corner was pounced on by Oliver Gildart to give Wigan the lead 10 minutes before the break, but there was still time for Leigh to level the scores through Peter Mata'utia on the stroke of half-time.
But luck was against Edinburgh as winger Craig Barry latched on to a grubber kick
to cruise in - giving Zeilinga an easy conversion.
The home side took the lead inside the opening 10 minutes after great work by the forwards allowed fly half Phil Jones to grubber kick
through the middle for the chasing Andrew Claypole to score.
On eight minutes Craig Williams collected a Warriors grubber kick
under his own goal posts, stepped two defenders and raced 95 metres for a fine individual try.
Their first chance came with just four minutes gone as Kenny Baker put a grubber kick
over the line before nearly gathering it to score.
Leicester opened the scoring through debutant Jonny May in the ninth minute, with George Ford putting in a well-weighted grubber kick
for the speedster to run onto.
A frantic passage of play that saw the Welsh region turn the ball over on the Leicester line, ended with Aussie Toomua racing after his own grubber kick
to dot down a fourth try at give the hosts a 26-0 lead at the break.
St Helens struck back five minutes before the break when second rower Zeb Ta'ia easily won the race to Smith's perfectly-judged grubber kick
Fly-half Bernard Foley's 55th-minute try opened a 25-3 lead before Wales hit back when Scott Williams chased his own grubber kick
to score the home side's solitary try.
The 18-year-old also set up a touchdown for Ashton Sims with a delicate grubber kick
But it was a clever grubber kick
by Pisi rather than a line break that set up the first try after 20 minutes for fullback Tin Nanai-Williams, who only recently qualified to play for the country of his parents' birth.
Sam Smith scored a fifth after chasing his own grubber kick
before Sam Betty grounded from a driving maul.