Mark Sanchez and Eva Longoria proved the old adage it's never one person's fault when a couple breaks up -- instead, there are 53 people to blame ... and they all have J-E-T-S on their helmets!
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It wasn't another woman that got between Mark Sanchez and Eva Longoria ... it was 52 other men ... TMZ has learned.
Sources connected to the former couple tell us ... they broke up because Mark was impossible for Eva to be around because he was in such a crappy mood over the NY Jets' horrible season.
As one source puts it, "It's hard to maintain a relationship when one person is upset all the time."
FYI -- the Jets are 3-4 and coming off another heartbreaking loss to Tom Brady's Patriots.
Despite the split, we're told the two are serious about remaining friends -- and have nothing but respect for each other.
New York Jets quarterback Mark Sanchez is simply not reproducing ... TMZ has learned.
Despite reports that he knocked up his GF Eva Longoria, the actress' rep tells us, "Rumors of the couple being pregnant are false and absolutely not true."
Still, sources close to the couple tell us Mark is "truly serious" about his relationship with Eva ... with one person telling us it already seems like "true love."
So, for now, Mark's starting boyfriend role appears to be safe.
Yeah, Mark Sanchez and Eva Longoria are definitely doing it.
The freshly-minted couple left the Ritz-Carlton in NYC for a late night dinner at the uber-fancy French restaurant Daniel.
The New York Jets QB is 25 -- she's 37.
Having just divorced another professional athlete -- NBA star Tony Parker -- Eva's clearly got a thing. As for Sanchez, he was previously banging 20-year-old Kate Upton.
New York Jets interception-machine Mark Sanchez might actually have done something right this year ... and her name's Kate Upton -- this according to the super model herself.
Rumors have been spreading like wildfire ... Mark and Kate are an item -- but we asked the buxom Victoria's Secret angel straight up ... are you single ... and she played coy, replying, "What do you think?"
We pressed a little more ... asking if Mark was the mystery man -- Kate hedged, responding, "I don't know!"
As for the real truth -- Kate tells us, "It's whatever you think!"
So here's what we think -- if Mark had any game, he would have AT LEAST made the playoffs.
New York Jets quarterback Mark Sanchez knew the question before we even asked it ... and he gave us a straightforward answer -- he is NOT dating Hayden Panettiere.
Not only did Sanchez assure us he and Hayden were just friends, he also said he had head coach Rex Ryan's full support for hitting up the fast food chain In-N-Out Burger with the actress last week.
In a cryptic tease ... Sanchez hinted that he would explain the REAL reason he was out with Hayden in the very near future.
New York Jets QB Mark Sanchez and newly single Hayden Panettiere sparked dating rumors after leaving an In-N-Out Burger in Laguna Hills together this weekend.
While neither has confirmed the relationship, the "Scream 4" actress recently split from boxer Wladimir Klitschko.
One thing's for sure, Hayden definitely likes to super size it.
New York Jets quarterback Mark Sanchez threw a pick 6 this weekend -- picking 6 chicks to cram in the back of his ride on the way out of a "Saturday Night Live" after-party.
Though Sanchez was only rolling in a Lexus sedan, he managed to squeeze all six ladies into the back ... where he also had a seat.