"Old Friends," indeed.

At Wednesday's New York Yankees game, two men sat unnoticed in the bleachers: Paul Simon and Art Garfunkel.

Now 68, they barely resemble the way they were during their 1960s heyday: For one, Garfunkel has lost his trademark afro.

They first met in the sixth grade in 1953 and went on to sell more than 40 million albums in the U.S.

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"We met when we were 11; we started to sing when we were 13," Simon once joked. "And we started to argue when we were 14."

The duo are kicking off a North American tour on July 3 in Vancouver.

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