In 20 games against Brees and Ryan, Munnerlyn's teams were 9-11. Brees and Ryan completed a combined 66.4 percent of their passes with 36 touchdowns, 18 interceptions and an average of 285.1 yards per game. Munnerlyn's only interception against the NFC South was a pick-six against Freeman in 2012.
In four games against Rodgers (one), Cutler (two) and Stafford (one), Munnerlyn's teams were 0-4. Rodgers (19-for-30, 308 yards, two touchdowns, no interceptions), Cutler and Stafford completed 67.6 percent of their passes with 10 touchdowns, four interceptions and an average of 233 yards. None of Munnerlyn's seven career picks came against the NFC North.
Judging Munnerlyn against any one receiver's stats is difficult, because he doesn't shadow any one receiver. He also has spent the past two seasons as a starter who moves inside over the slot in passing situations.
That special skill ranked highly when Vikings General Manager Rick Spielman was shopping for a free-agent cornerback to replace Chris Cook this offseason. Last spring, Spielman released Antoine Winfield in a salary-cap move that freed room to re-sign right tackle Phil Loadholt.
Spielman wasn't the first GM of the salary-cap era to release a high-priced player on the doorstep of his 36th birthday. Also, keep in mind that 31 other teams played last season without Winfield.
We'll never know how Winfield would have performed at 36. But we do know that Josh Robinson, Winfield's presumed heir apparent as starter who can slide inside over the slot, failed when his timetable was accelerated by a full year. That's why Winfield's former jobs now belong to the 26-year-old Munnerlyn.