Common Denominator; 
1. A common multiple of the denominators of several fractions.
2.  A feature shared by all members of a group. https://en.oxforddictionaries.com/definition/common_denominatorSaturday 14th July, 2012. Round 16.
"The Worst 47 seconds in football". Richmond: 2.2 4.3 10.7 13.10 (88). 
Gold Coast: 4.2 7.9 9.9 13.12 (90). 
Captain: Chris Newman. 
Coach: Damien Hardwick. 
Sunday 8th September, 2013. Elimination Final. 
"32 points ahead early in the third quarter to lose by 20 points to the arch-enemy 9th place cheats that only made finals by default."Richmond: 3.5 10.7 12.10 14.12 (96). 
Carlton: 2.3 6.5 12.6 18.8 (116). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
Saturday 17th May, 2014. Round 9
"Tommy Hafey tribute game".Richmond: 2.3 4.8 6.16 9.20 (74). 
Melbourne: 1.3 4.5 9.6 14.7 (91). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
Sunday 7th September, 2014. Elimination Final. 
"The Richmond captain wins the toss and elects to kick against a howling wind on oppositions home ground in a cut throat final".Richmond: 1.1 3.2 6.5 11.9 (75). 
Port Adelaide: 8.1 14.5 19.8 20.12 (132). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
Sunday 13th September, 2015. Elimination Final
"Capt. 9 disposals, 5 effective. 3 clangers".Richmond: 2.3 9.3 12.3 14.4 (88). 
North Melbourne: 1.6 6.8 11.13 15.15 (105). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
Friday 1st Apr-2016. Round 2. 
"The April Fools Day Joke loses the non-losable - the worst final 2 minutes in football".Richmond: 2.2 3.8 7.12 12.14 (86). 
Collingwood: 2.1 3.3 7.7 13.9 (87). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
Sunday May 14th, 2017. Round 8. 
"The worst last 21 seconds in football history".Richmond: 2.1 5.1 5.5 10.10 (70). 
Fremantle: 2.3 5.6 9.11 10.12 (72). 
Captain: Trent Cotchin. 
Coach: Damien Hardwick. 
What are the common denominators ?