As Irvin (who had 103 receiving yards) was leaving the field, a Chargers fan hit him with a carrot.
Last year, Manning was efficient in two opening victories, then was praised for his cool-tempered performance during a loss in San Diego, where Chargers fans booed him wickedly.
Its popularity with Chargers fans endures in spite of its dated sound.
Chargers fans play the song in preparation for upcoming games, and some fans even play "San Diego Super Chargers" at their weddings.
Though their team will be playing a continent away, Chargers fans are expected to fill Jack Murphy Stadium here on Sunday to watch the game on two giant television monitors.
The Giants lost to the Chargers the following week, 45-23, in a game which was marked by Chargers fans booing and jeering Eli Manning.
Pumping Up the Fans Today's game became so vital that 20 busloads of Chargers fans made the two-hour trip up Interstate 5.
Hendrickson is fondly remembered among Chargers fans for being used as a short yardage, goal line running back, despite the fact that his main position was a defensive one.
Over the years, Chargers fans have considered their rivals to be the Raiders, the Broncos and the Chiefs - their longtime divisional opponents.
But in San Diego, after the last home game of the season, Chargers fans chanted: "Michael Vick!