They did so by claiming 12 wins from 18 matches while picking up a total of 12 bonus points along the way.
That was enough to keep them ahead of second-placed Bath by virtue of having claimed one more victory than Johann van Graan’s men.
And now Saints will head into the Premiership play-off semi-final against Saracens at a sold-out cinch Stadium at Franklin’s Gardens.
How Phil Dowson’s men would love to add two more wins to their tally this season as they seek to claim some long-awaited major silverware.
But, for now, let’s take a look back on the games they have already prevailed in during this Premiership adventure...
5. Saracens 12 Saints 18
Temo Mayanavanua was all smiles after Saints won against Saracens on December 2 Photo: David Rogers
6. Gloucester 29 Saints 31
Saints held their nerve to win at Gloucester on December 23 Photo: David Rogers
7. Saints 21 Sale Sharks 17
There was plenty to celebrate after Saints overcame a stubborn Sale side on December 30 Photo: David Rogers
8. Exeter Chiefs 36 Saints 42
Ollie Sleightholme scored a hat-trick for Saints at Exeter on January 6 Photo: Dan Mullan