<ListView Name="Playing" ItemsSource="{Binding Source={StaticResource GroupedItems}}">
    <ListView.View>
        <GridView>
            <GridViewColumn Header="Date" Width="150" DisplayMemberBinding="{Binding Path = MatchDate}"/>
             <GridViewColumn Header="Minute" Width="70" DisplayMemberBinding="{Binding Path = MatchMinute}"/>
         </GridView>
     </ListView.View>
</ListView>