Declining Challenges without Losing PopularityAdded 20 Apr 2011, ID #7233
This is done by first ensuring that autosave is off. Then, exit Legacy mode without saving. When you now load your legacy again your popularity will have been restored and you have not and will not be challenged again.
Maximum Stats in Legacy ModeAdded 8 Sep 2009, ID #4935
To do this start a new legacy and win the tourney. Then go to 'Punch Totals' in the last fight and press B and you will get +5 added to your Power, Stamina, and Heart. You can keep repeating this until your stats are at maximum.