Edinburgh were force to come from behind to beat London Welsh 25-13 in Sunday’s European Challenge Cup clash at Murrayfield.
Gloucester then secured a 35-10 bonus-point win over Zebre to take control of their pool.
Edinburgh 25-13 London Welsh
The visitors were still ahead with 15 minutes to play but Edinburgh’s bench came to their rescue as they ended London Welsh’s hopes of a debut season’s win with two late tries that made it three from three in Pool 4 and top spot a point ahead of Bordeaux-Begles.
Sam Hidalgo-Clyne and Neil Cochrane came off the bench at Murrayfield to get the scores that mattered in the final quarter.
Tries: Nel, Hidalgo-Clyne
Cons: Hidalgo-Clyne 2
Pens: Heathcote 2
For London Welsh:
Pen: Ross 2
Yellow card: Crane
Edinburgh: 15 Nick McLennan, 14 Dougie Fife, 13 Matt Scott, 12 Andries Strauss, 11 Tim Visser, 10 Tom Heathcote, 9 Grayson Hart, 8 Mike Coman (c) 7 Roddy Grant, 6 Tomas Leonardi, 5 Ben Toolis, 4 Ollie Atkins, 3 WP Nel, 2 James Hilterbrand, 1 Rory Sutherland
Replacements: 16 Neil Cochrane, 17 Grant Shiells, 18 John Andress, 19 Anton Bresler, 20 Stuart McInally, 21 Sam Hidalgo-Clyne, 22 Greig Tonks, 23 Sam Beard
London Welsh: 15 Elliot Kear, 14 Rhys Crane, 13 Nick Reynolds, 12 Alan Awcock, 11 Chris Elder, 10 Gordon Ross (c), 9 Paul Rowley, 8 Ben Pienaar 7 Carl Kirwin, 6 Benjamin West, 5 Matt Corker, 4 Josh McNally, 3 Ben Cooper, 2 Nathan Vella, 1 Eddie Aholelei
Replacements: 16 Nathan Morris, 17 Shane Cahill, 18 Jack Gilding, 19 Daniel Browne, 20 Lachlan McCaffrey, 21 Rob Lewis, 22 Nick Scott, 23 Tom May
Gloucester 35-10 Zebre
Gloucester claimed their third successive win as they moved six points clear of Oyonnax in the race for the quarter-finals.
The Cherry and Whites led 21-5 at the break thanks to tries from Steve McColl and James Hook in addition to the boot of Greig Laidlaw.
But they stuttered in the second half until Matt Kvesic powered over to give his side hope of the bonus point with less than 10 minutes left on the clock.
Mark Atkinson scored in dying minutes to complete the task for the home side.
Tries: McColl, Hook, Kvesic, Atkinson
Cons: Laidlaw, Burns 2
Pens: Laidlaw 3
Tries: Daniller, Visentin
Gloucester: 15 Stevie McColl, 14 Charlie Sharples, 13 Henry Purdy, 12 Billy Twelvetrees, 11 Shane Monahan, 10 James Hook, 9 Greig Laidlaw (c), 8 Gareth Evans 7 Matt Kvesic, 6 Sione Kalafamoni, 5 Tom Palmer, 4 Tom Savage, 3 John Afoa, 2 Aleki Lutui, 1 Yann Thomas
Replacements:16 Darren Dawiduik, 17 Shaun Knight, 18 Sila Puafisi, 19 Elliot Stooke, 20 Ross Moriarty, 21 Callum Braley, 22 Billy Burns, 23 Mark Atkinson
Zebre: 15 Hennie Daniller, 14 Giambattista Venditti, 13 Mirco Bergamasco, 12 Matteo Pratichetti, 11 Michele Visentin, 10 Luciano Orquera, 9 Gullo Palazzani, 8 Dries van Schalkwyk 7 Filippo Cristiano, 6 Jacopo Sarto, 5 Marco Bortolami (c), 4 George Biagi, 3 Dario Chistolini, 2 Andrea Manici
Replacements:1 Andrea Lovotti, 16 Oliviero Fabiani, 17 Andrea de Marchi, 18 Lorenzo Romano, 19 Samu Vunisa, 20 Valerio Bernabo, 21 Brendon Leonard, 22 David Odiete, 23 Kelly Haimona