"It's a good thing the Green Bay Packers and Arizona Cardinals appear headed for a post-season matchup.

The top receivers for each team, Greg Jennings and Larry Fitzgerald, will need the extra game to try to outdo one another.

It's happened before, in the off-season, when their burgeoning rivalry of mutual admiration began.

When Jennings accepted an out-of-the-blue invitation from Fitzgerald to work out with other NFL stars last summer in his native Minneapolis, the two squared off at the pingpong table. Jennings won in Fitzgerald's home in early July."