Éamonn Fitzmaurice: Brian Fenton is Dublin's attacking extra, Donegal can contend, Ger Brennan cool and calculated

Dublin's Brian Fenton in action against Roscommon's Niall Higgins. Picture: ©INPHO/Ken Sutton
If we learned anything from the group stages of last year's All-Ireland series it is that round one is too early to be making definitive judgements. Much can and will change over the next few weeks. However, there are patterns starting to emerge and it worth examining a few of these.