Kate Upton, Rumored Mark Sanchez Squeeze, SI Cover Girl

In this cover image released by Time Inc. on Monday, Feb. 13, 2012, model Kate Upton graces the cover of the "Sports Illustrated 2012 Swimsuit Issue." The double issue is now on sale at newsstands, tablet, mobile and on SI.com/Swimsuit. (AP Photo/Walter Iooss Jr. for Sports Illustrated) NORTH AMERICA USE ONLY UNTIL MARCH 2, 2012. MANDATORY CREDIT: WALTER IOOSS JR/SPORTS ILLUSTRATED (Walter Iooss, Jr./SPORTS ILLUSTRATED)

In this image released by Sports Illustrated on Monday, Feb. 13, 2012, model Kate Upton is shown in a photo from the "Sports Illustrated 2012 Swimsuit Issue." Upton also graces the cover of the double issue now on sale at newsstands, tablet, mobile and at SI.com/Swimsuit. (AP Photo/Walter Iooss Jr. for Sports Illustrated) NORTH AMERICA USE ONLY UNTIL MARCH 2, 2012. MANDATORY CREDIT: WALTER IOOSS JR/SPORTS ILLUSTRATED (AP2012)

MIAMI BEACH, FL - JULY 15: Kate Upton walks the runway at the Beach Bunny Swimwear show during Merecdes-Benz Fashion Week Swim 2012 at The Raleigh on July 15, 2011 in Miami Beach, Florida. (Photo by Frazer Harrison/Getty Images for Beach Bunny) (2011 Getty Images)

NEW YORK, NY - FEBRUARY 15: Model Kate Upton attends the SI Swimsuit Launch Party hosted By Pranna at Pranna Restaurant on February 15, 2011 in New York City. (Photo by Michael Loccisano/Getty Images for Sports Illustrated) *** Local Caption *** Kate Upton (2011 Getty Images)

FILE - In this Feb. 15, 2011 file photo, Kate Upton attends the 2011 Sports Illustrated swimsuit issue unveiling party, in New York. She's a Florida girl who's comfortable in a bikini, and now 19-year-old model Kate Upton is on the cover of the 2012 Sports Illustrated Swimsuit issue. (AP Photo/Peter Kramer) (AP2011)

MIAMI BEACH, FL - JULY 16: Model Kate Upton attends Caffe Swimwear show during Mercedes-Benz Fashion Week Swim on July 16, 2011 in Miami Beach, Florida. (Photo by Andrew H. Walker/Getty Images for IMG) (2011 Getty Images)

PHOENIX, AZ - JULY 10: Model Kate Upton takes an at bat during the 2011 Taco Bell All-Star Legends & Celebrity Softball Game at Chase Field on July 10, 2011 in Phoenix, Arizona. (Photo by Jeff Gross/Getty Images) (2011 Getty Images)

INDIANAPOLIS, IN - FEBRUARY 04: Model Kate Upton of team Spike TV participates in DIRECTV's Sixth Annual Celebrity Beach Bowl Game at Victory Field on February 4, 2012 in Indianapolis, Indiana. (Photo by Chris Trotman/Getty Images for DirecTV) (2012 Getty Images)