Peter King’s Jan. 23, 2015 column backed up a report from ESPN’s Chris Mortenson after a dominant Patriots victory over the Colts — until it didn’t.

Peter King, who recently announced his retirement after four decades of award-winning NFL coverage, said he regrets the way he handled the Deflategate story when it first came out.

As NBC Sports columnist Peter King prepares for retirement, he can look back on his archive of work with pride, having cemented himself as one of the greatest journalists ever to cover the NFL ...