Source: http://mercurynews.com/tim-kawakami/...

Later, when Harbaugh was talking to a few of us in the locker room, he said he was proud that he never resorted to the "off-the-record battle." 

That began early this season with a series of leaks about his wobbly employment status and continued throughout the season.

And he said he'd like me to investigate that and write a column revealing the names of the leakers; but I told him we both already probably knew.

I'll say it here: I believe York and Baalke were the primary sources for the off-the-record disclosures that undercut Harbaugh's tenure.

Whether it was York and Baalke directly or indirectly, the 49ers front office set Harbaugh up on a tee this season, and Sunday was the anticlimax.