Here is a collection of some of the racing world's best comments on Twitter from the past week.

Ryan Blaney brought out a throwback mustached. Some loved it...
[tweet url="https://twitter.com/nascaronfox/status/903019302575628288" hide_media="0" hide_thread="1"]
Some mocked it...
[tweet url="https://twitter.com/dalejr/status/903034037232701440" hide_media="0" hide_thread="1"]
It might have cost him the race.
[tweet url="https://twitter.com/blaney/status/904547948662583296" hide_media="0" hide_thread="1"]
Landon Cassill seems to prefer a baby-faced Blaney… but what if he could have it both ways?
[tweet url="https://twitter.com/landoncassill/status/904685815116292096" hide_media="0" hide_thread="1"]
#TBT
Find a man who pursues you the way Cassill pursues a mustached baby.
[tweet url="https://twitter.com/OldTakesExposed/status/891430391340572672" hide_media="0" hide_thread="1"]
This week's "Sh!t" may be devolving into just an ode to NASCAR '80s hair.
[tweet url="https://twitter.com/kenny_wallace/status/903680854681161728" hide_media="0" hide_thread="1"]
Back before NASCAR went corporate.
[tweet url="https://twitter.com/kimburton12/status/903711077229322241" hide_media="0" hide_thread="1"]
I can't believe David Stremme's wife has something better to do... "What's that? She's competing for Miss Universe? Carry on."
[tweet url="https://twitter.com/davidstremme/status/903346686398955521" hide_media="0" hide_thread="1"]

Some More Sh!t Drivers Said

Thanks, But No Thanks: Backseat Driver 
John, Forcing A Cat To Swim 
Idle Thoughts From Earnhardt 
No One Pleases Race Fans 
Crouching Bowyer, Hidden Daddy 
Multitasking Hits A New Level 
It's 1 AM, Do You Know Where Your Race Fan Is? 
My Heroes Have Always Been Roosters 
What's In The Box? 
Some Racers Drive Better This Way