[CentOS] Yum-updatesd version in reports?

Hi,

I've just startted configuring yum-updatesd on all our servers to install 
updates automatically and it works great.

But I don't see anywhere in its config or command line options a way to 
find which package version was replaced by which.

Is this achieveable in any way or should I resort to some home-grown 
scripting again?

Thanks.

-Amos