OK, fixed. I exited, deleted and restarted multiple times; each team it was "remembering" the leagues from the previous time even when I reset. But once I deleted the leagues and re-entered them, it reverted properly to 2012. Sorry for the dead thread.
In various saves for various leagues in both classic and full mode, every season I've launched has begun in July 2012. But today I tried to launch a Scottish season...and it starts in July 2011. As a result I have 14-year olds on my reserve team. I deleted and tried again...same thing. The...