Mike Piazza is backing collect calls with Alf, and now Jason Giambi is endorsing credit cards with Kermit. Yep, it's America's pastime, all right -- baseball and capitalism. Sure, we know what Jason was up to (it's all about the Benjamins), but we decided to leave it to our readers to explain Page 2's Mystery Photo.

You flooded our mailbag with more than 400 explanations. Here are the best of them all.

Selling out to the Evil Empire: $17 million
Makeover from head-banger to frat-boy: $1,000
Lifetime supply of deodorant and endorsement deal: $10,000
Hitting behind a frog and ahead of a weirdo: priceless
Jason Remillard
Chicopee, Mass.

"What do we have in common? Henson pulls your strings, Steinbrenner pulls mine."
Mike Blinn
Durham, N.H.

Gonzo: "Hey Kermit, it looks like they replaced Cookie Monster with another low vocabulary character."

Giambi: "Aaaaaah! Yankees! Money! Goooooooooood!"
Eric Gibbs
Phoenix

This cheesy Mastercard commercial is brought to you by the letter "S" as in "sellout."
Wilfred
Los Angeles

"Jeter comes to New York and gets Mariah. I come to New York and get the Muppets ...
What is wrong with this picture?"
Andy
York, Pa.

"It's so great to finally meet you in person, Mr. Cashman."
Ken K.
Fairfield, Conn.

Here we see Giambi pretending to care about the Muppets before going to hang out with Burt and Ernie for more money.
Elliott Smith
Brea, Calif.

"You know, I heard Ms. Piggy digs the long ball ..."
Al Giordano
Kings Point, N.Y.

"Damn Wells, that was some good Weeeeeeed!!!!"
Erick
Denver

... Selling out the Bay Area for millions and not winning a World Series: priceless.
Colin Klook
Chicago

There's some things money can't buy, for everything else -- Oh wait -- We're the Yankees, we could buy Central Park if we wanted it ...
Ross Hoffman
Collegeville, Minn.

"No, Kermit, it isn't easy being Oakland green, but its not nearly as bad as being Steinbrenner's whipping boy."
Jay Avans
Atlanta

"At a recent press conference, the Yankees announced their plan to beat Anahiem next year ... Rally Muppets!"
Tom X
Englishtown, N.J.

"Hi Ho, Kermit the frog here in Toys R Us with two MLB players who always give back to the children ... meet, Jason Giambi and Nomar Garciaparra."
Nicole
Reading, Mass.

"Hey, Jason, I can't beleive Steinbrenner traded you to us for Ms. Piggy, cash, and a muppet to be named later."
Salman Khan
Bolingbrook, Ill.

After receiving harsh criticism from Yankee fans for doing a deodorant commercial, Jason Giambi poses for a public photo shoot with the Muppets to toughen up his image.
Sam Berg
Seattle

"Kermit and Gonzo??" I thought my agent said ALYSSA MILANO!"
Ron Webster
Houston

And here is the real caption from The Associated Press: Giambi was in New York on Wednesday for MasterCard's "Priceless Memories" promotion, where he and more than 50 children from the Madison Square Boys & Girls Club took over the Times Square Toys 'R Us store for a holiday shopping spree. Giambi also appeared on ABC's "Good Morning America" with Kermit the Frog. (AP Photo)