Keane looked presentable with a clean-shaven look during a training session as part of Aston Villa's pre-season tour of the United States in Houston, Texas.
Aston Villa FC via Getty ImagesNeville Williams
Keane's beard: July 30
Six days later and the stubble makes an appearance during a pre-season friendly against Chesterfield.
Getty ImagesLaurence Griffiths
Keane's beard: Aug 2
Not much change three days later but we get a good close-up of what's happening on the hardman's face.
Getty ImagesDean Mouhtaropoulos
Keane's beard: Aug 9
The stubble has started to become more prominent as Keane takes his place in the dug-out before a pre-season friendly against Parma.
Getty ImagesDavid Rogers
Keane's beard: Aug 23
Now we're getting somewhere! The black and white contrast are starting to work in perfect harmony ahead of Villa's home clash with Newcastle.
Getty ImagesMichael Regan
Keane's beard: Sep 20
One month later and the beard is getting out of control and taking on a biblical quality similar to that of Moses at the parting of the Red Sea.
AFP/Getty ImagesADRIAN DENNIS
Keane's beard: Oct 4
And here's where we stand today. This is the beard that Alf-Inge Haaland compared to Saddam Hussein. However, we think the Old Testament look is just about there as the unruly mixture of grey and black bring gravitas to the Aston Villa assistant manager. Who would have believed he was once one of the most feared midfielders in the world? He's just one big teddy bear.