In TFS 2013, builds get entered like this in the global list:
(build definition)/(version)
whereas before in TFS 2010 they were like this:
(version)
This is causing a big headache for us, the only way we have found to fix this is to manually edit each build list item after each build.
I think this is by design. As a workaround you can write a script which will update this for you. E.g. in PowerShell: