Saints overturn 17-point deficit to beat Saracens 28–24 in thriller, but there was a debate over whether there was a forward pass in the build up to Northampton's winning try.
Alongside ex-England international George Kruis, Day is the founder of fourfive - one of the leading supplement brands across the country - and he discusses his transition from locker room to boardroom as well as his hopes for his former clubs.
Sale Sharks produced a dominant display to overpower Saracens 25-7 at the Salford Community Stadium, boosting their Premiership playoff ambitions and moving into second place on the table.
Toulon delivered one of the most sensational comebacks in Champions Cup history, overturning a 22-point first-half deficit to demolish Saracens 72-42 in a pulsating Round of 16 clash at Stade Mayol.
Harlequins secured a landmark 23-12 victory over Saracens at the Tottenham Hotspur Stadium, marking their first away league win against their rivals in 13 years.
The irresistible form of back-rower Tom Willis, alongside the versatility and quality of Ben Earl, might give Borthwick pause for thought ahead of the Six Nations - but Saracens are demonstrating the solution.