Kal and Gamal Yafai are Birmingham's brilliant boxing brothers but who is the best?
Kal's world title - which he defends for the first time on Saturday night live on Sky Sports - suggests he is, in the ring at least. But younger brother Gamal, who is also on the bill at the Barclaycard Arena, might see it differently.
A while back we put the Yafai brothers under the spotlight and asked them who is the best, in and out of the ring.
You've seen the McDonnell twins, Jamie and Gavin, go head to head but ahead of Saturday's big one, the Birmingham boys do the same.
Kal puts his WBA super-flyweight title on the line for the first time against Japan's Suguru Muranaka, while Gamal finally faces super-bantamweight rival Sean Davis, in front of their home crowd.
All you need to do is click on play at the top of the article to see.
Watch Kal Yafai make his first world title defence, from Birmingham, live from 7.30pm, Saturday, Sky Sports 2.