63 – Tommy Fleetwood set a new course record at Carnoustie, firing a 63 on Friday.
30 – The Race to Dubai leader needed only 30 shots on the fearsome back nine of the Championship Course.
9 – Fleetwood made nine birdies and avoided a bogey to set a new landmark.
10 – The orignal record was 64, previously held by ten players- Alan Tait -1994; Colin Montgomerie - 1995; Steve Stricker - 2007; Richard Green - 2007; Peter O'Malley - 2007; Paul Lawrie - 2007; Thomas Levet - 2013; Shane Lowry - 2013; Oliver Wilson - 2014; Alex Noren - 2014.
11 – Defending champion Tyrrell Hatton shares the lead with Fleetwood on 11 under par.
40 – Last week's British Masters supported by Sky Sports winner Paul Dunne is 40 under par for his last ten rounds after he posted a 68.
21 – Gregory Bourdy and Aidan Heavey lead the team competition on 21 under par.
69.89 – Stroke Average at St Andrews compared to 71.57 on day one
70.02 - Stroke Average at Kingsbarns compared to 72.82 on day one
71.31 – Stroke Average at Carnoustie compared to 73.25 on day one
4 – Hatton completed four scrambles out of four. He has got up and down eight out of the nine times he's missed the green this week.
3 – Fleetwood has three previous 36-hole leads - 2011 Alfred Dunhill Links Championship, 2014 Volvo Golf Champions and 2017 US Open and Hatton has one - 2016 Irish Open.