Brian's some pup.
The former Republic of Ireland manager zinged Diego Costa after the Chelsea player came in for criticism during the Arsenal game.
The Spanish international
divided opinion when his aggressive yet ever-so-crafty attitude on the pitch led to Gabriel being sent off.
But Kerr summed up Costa's fiery behaviour perfectly on Today FM.
https://twitter.com/antomcguinness/status/645227952515469312
But when those wonderful analogies aren't enough, Ian Wright is on hand to say it plain and simply.
Scratch marks on Gabriel's neck - before his sending off - were seen on pictures and BT Sport had a look at it.
https://twitter.com/btsportfootball/status/645238956305420288
Meanwhile, Arsene Wenger was of course unhappy.
https://twitter.com/btsportfootball/status/645239795749269505
And, even more of course, Jose Mourinho had his say back. Bit hypocritical... but funny.
https://twitter.com/btsportfootball/status/645242980622729217