Unthinkable to Unstoppable

Overview

The definitive chronicle of the Indiana Hoosiers improbable journey to the program's first college football championship, featuring analysis and behind-the-scenes reporting on head coach Curt Cignetti, star quarterback Fernando Mendoza, and more.

PERFECTION. The cream and crimson confetti covering the field at Miami’s Hard Rock Stadium in January 2026 signaled a paradigm shift in college football. Once the sport’s greatest afterthought, Indiana celebrated a national championship after more than a century’s worth of false starts and shattered dreams. 

Enter Curt Cignetti. In two seasons, the brash, brilliant coach changed what’s possible in college football. Navigating revolutionary rule changes to assemble a roster that  embraced his defiant ambition, Cignetti turned the losingest program in college football history into the sport’s most unlikely champion. 

Fresh reporting reveals new insight into IU’s thrilling journey to 16–0, with untold tales straight from the locker room about the team’s remarkable tapestry of origin stories, the Hoosiers’ thrilling comebacks, and an epic postseason run. Unthinkable to Unstoppable offers an inside look at  one of the most remarkable stories not  just in college football history, but in the history of American sports.

Reviews

“Zach Osterman and Mike Niziolek are to Indiana football coverage what Curt Cignetti is to Indiana football itself. Google them. Better yet, read this rollicking book on the Hoosiers’ unlikely ascent.”

—Jon Wertheim, senior writer, Sports Illustrated

“The greatest story in college football history—and one of the best sports stories, period—is chronicled with wit, action, and insight by insiders Osterman and Niziolek. A wonderful accounting of the unlikely, unprecedented journey that will be told and retold for generations.”

—Michael Koryta, New York Times–bestselling author

“I was recently telling my friend: I’m not ready for a new season of IU football. I want to continue to relive last season's 16–0 march to the national championship. Then voilà, this book showed up in my mailbox and, after a breezy and compelling read, my wish had been granted. This isn't some rote rehash of the season; it goes much deeper and includes lots of original reporting. If you want to reach the true, behind-the-scenes story of the greatest college football story ever told, read this immediately.”

—Bob Kravitz, award-winning longtime Indianapolis sports columnist

“Fantastic behind-the-locker-room-door insight, reliving the greatest 16 games in Indiana football history.”

—Mike Glasscott, longtime Bloomington radio personality

“This chronicle of the most unlikely national championship team in college football history will delight Indiana fans. But it is also a great read for anyone who loves a story full of dramatic twists and charismatic characters such as Curt Cignetti and Fernando Mendoza. Zach and Mike go deep behind the scenes in this delightful read to show how IU accomplished the seemingly impossible.”

—Bill Rabinowitz, Ohio State beat writer on Substack and author of Buckeye Brotherhood

“Mike and Zach paint a portrait of IU football’s historic rise from the inside in a way only they possibly could. This book is chock full of details Indiana and college football fans alike will salivate over. From the tales of a Rose Bowl return to the makings of Curt Cignetti, readers are transported into the journey of a perpetual cellar dweller turned into a national champion. Simply put, every Hoosier in America needs to grab a copy.”

—Ben Portnoy, college sports writer, Fox Sports 

Author Biography

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