Investec Champions Cup Pool Four
Northampton Saints (14) 50
Tries: Sleightholme 2, Hendy 3, Pollock, Coles, Kemeny Cons: Smith 5
Pretoria Bulls (5) 5
Tries: Jacobs
The young winger bagged a triple as the Saints made it maximum points from their opening two Investec Champions Cup games with an eight-try hammering of Pretoria.
Ollie Sleightholme scored two tries and Pollock scored the bonus point try before the hour mark as a commanding Saints team cut loose in the latter period.
The visitors were within touching distance with the score fourteen-five at the break but a sin-binning to forward Tshakweni in the 53rd minute for a needless trip proved decisive and they did not score a point in the second half.
England fly-half Smith added 10 points with the boot as Saints went top of Pool Four on points difference from defending champions Bordeaux-Bègles with both sides on 10 points.
The manner of this win, following a 35-27 away win at Section Paloise last week, means last season's runners-up Northampton could not have hoped for a better start as they look to go one better this season.
Pretoria's number ten Wolhuter missed an early shot at goal before the hosts took the lead when Henry Pollock made a break before passing to Sleightholme who showed his pace to sprint away to the line.
But an error from Sleightholme let the Bulls back in as the ball was knocked on in the tackle, allowing Bulls wing Jacobs to hack the ball forward and show blistering pace of his own to reply after 22 minutes.
Shortly after, Saints had their second try as fast passing from Mitchell at the ruck base and then Fin Smith sent George Hendy over in the corner to make it 14-5 at the half-time whistle.
Saints were dominant in possession and territory and were being aided from the opposition fly-half Kade Wolhuter who twice missed touch with penalty kicks to reinvite pressure onto the away side.
That told after 48 minutes when Fin Smith was again the creator, darting inside to wrong-foot the onrushing defense before delivering a sweet left-footed kick over the line for George Hendy to collect his second and Northampton's third.
Pretoria forward Alulutho Tshakweni was then shown a yellow card for a tripping offense on Iyogun. The prop was adamant he had been responding to a trip momentarily before by the Saints player but the contact from the Northampton substitute was ruled unintentional when reviewed by the match officials.
Saints seized the opportunity of having the numerical advantage to secure the bonus point through Pollock before Coles and Sleightholme scored as the home team notched three scores in five frantic minutes.
Hendy completed his hat-trick with 12 minutes remaining and Kemeny walked over for the eighth try of an outstanding day for Saints in the dying moments.
The top two teams in the pool meet in a rerun of last year's final when the tournament returns in the new year as Northampton travel to Bordeaux-Bègles. Northampton then conclude the group phase with a fixture at home against Scarlets on 18 January.
The Pretoria Bulls, who have one point from two matches, welcome Bristol Bears next before an away trip face Pau.
Northampton: Furbank; Sleightholme, Hutchinson, Dingwall, Hendy; F Smith, Mitchell; Fischetti, Wright, Davison, Coles, Van der Mescht, Kemeny, Pearson, Pollock
Replacements: R Smith, Iyogun, Kundiona, Munga, Prowse, Graham, James, Thame
Bulls: Williams; Petersen, Gans, Vorster, Jacobs; Wolhuter, Burger; Tshakweni, Van der Merwe, Smith, Wiese, Van Heerden, Coetzee, Ludwig, Louw
Replacements: Else, Sithole, Mchunu, Gumede, Carr, Papier, Johannes, Van Niekerk
Yellow card: Tshakweni (53)
Referee: Hollie Davidson (Sco)
Assistant referees: Rob McDowell (Sco) and Dave Sutherland (Sco)
TMO: Mike Adamson (Sco)
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