Image Credit: Scott Cunningham/Getty Images 
 
 New York Giants' rookie linebacker Mark Herzlich stepped off the plane in Indianapolis to play against the New England Patriots in Super Bowl XLVI and immediately took to Twitter to express his gratitude. He was thankful not just to be there, but to be alive. 
 
 "2 yrs ago I was told I might never walk again. Just WALKED off plane in Indy to play in The #SuperBowl. #TakeThatSh*tCancer," he tweeted. 
 
 In 2009, Herzlich was diagnosed with Ewing's sarcoma, a rare form of bone cancer. The cancer was isolated to his left leg and the initial prognosis was not positive for the promising Boston College football star. 
 
 "They felt the NFL was a long shot," Herzlich's father, Sandy, told ESPN last summer. "They were first happy if they could save his life and they were happy if they could save his leg." 
 
 Herzlich was told there were three possible outcomes. 
 
 "The worst-case scenario is obviously [that] it gets into other parts of your body and it completely kills you," he told ESPN. "Second worst-case scenario is if they saw a small fracture in the bone and it was seeping out. Then they would have to amputate my leg right away within hours of finding it out. … Then better than that would be to remove that portion of the leg, putting in a cadaver bone and being in a cast for six months from the waist down, not ever being able to run again." 
 
 It turns out there was a fourth and even better option. 
 
 Herzlich responded phenomenally to aggressive chemotherapy and radiation. He was given the choice to forgo surgery and continue treatment, saving his football career, but increasing the likelihood that the cancer could return, or have surgery, ending his football aspirations, but likely eliminating the cancer. 
 
 Herzlich decided to keep his dream alive. 
 
 After missing the 2009 college football season to undergo treatment, he took the field for Boston College in 2010. He started in all 13 games, but did not catch the eye of NFL scouts and went undrafted. 
 
 Herzlich continued training and eventually signed as a free agent with the New York Giants. 
 
 Now, one year into his NFL career he's walked off the plane in Indianapolis and is getting ready to run onto the field at Lucas Oil Stadium, two things, that just three years ago seemed nearly impossible. 
 
 ESPN contributed to this report. ||||| Published: January 31st, 2012 | Tags: Super Bowl XLVI, Mark Herzlich, Media Day, New York Giants 
 
 INDIANAPOLIS — Mark Herzlich knows what it takes to defeat a powerful opponent. 
 
 His Giants have yet to play the Patriots in Super Bowl XLVI, but the rookie linebacker won the biggest battle of his life when he overcame Ewing’s sarcoma, a type of bone cancer. 
 
 That story of survival led Herzlich to tweet this message upon the Giants’ Monday night arrival at Indianapolis International Airport: “2 yrs ago I was told I might never walk again. Just WALKED off plane in Indy to play in The #SuperBowl. #TakeThat**** Cancer.” 
 
 “I was very pleased and very happy that so many people got to see it because that’s part of what my goal is and what my mission is,” Herzlich said Tuesday at Media Day. “This week’s all about football and all about playing, but there are people that are out there going through cancer right now and saying, ‘He’s doing it. I can do it.’ … 
 
 “It’s a real privilege and a blessing to play in it. I’ve come from a different, tough place in my life with being sick, and just two short years later, to be able to play in the Super Bowl, that’s great.” 
 
 According to Herzlich, football was the second-biggest motivator, only behind his family, in his battle with cancer. He even made a highlight tape of himself from Boston College’s 2008 season to help him “through the bad days” of chemotherapy. 
 
 Since he was a Boston College student at the time of his diagnosis, Herzlich received a lot of support in New England. Although most of those fans will pull for the Patriots on Sunday, a few likely will cheer for Herzlich, too. 
 
 “It’s interesting to have Boston fans root for any sort of Giant, but I appreciate everything, and the support I got all through school was unbelievable,” Herzlich said. “Even today, I got tweets from people saying, ‘I am a Patriots fan. I hope you lose, but I wish you well in your life and career.’ ” 
 
 — Matt Florjancic, Special to NFL.com 
 
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– Rookie Giants linebacker Mark Herzlich is happier than most to be playing in the Super Bowl: “2 yrs ago I was told I might never walk again. Just WALKED off plane in Indy to play in the Super Bowl. Take That Sh*t Cancer," Herzlich tweeted after arriving in Indianapolis yesterday. Herzlich was diagnosed with a rare form of bone cancer in 2009. He had been expected to be a first-round draft pick from Boston College, but instead spent the year undergoing treatment, choosing chemotherapy and radiation over a leg amputation that would have ended his dream of playing in the NFL, ABC reports. Herzlich, who went undrafted and joined the Giants as a free agent this season, says he sees his arrival in Indianapolis to take on the New England Patriots as an opportunity to inspire. "This week’s all about football and all about playing," he tells NFL.com, "but there are people that are out there going through cancer right now and saying, ‘He’s doing it. I can do it.’"