A quick glance at the statistics would indicate Iowa's Spencer Petras is an average Big Ten quarterback. One number pops out, though, and illustrates a major reason the fifth-ranked Hawkeyes (3-0) have won nine straight games. The second-year starter hasn’t thrown an interception since early in the second quarter of the Nov. 27 game against Nebraska, a streak of 22 quarters entering Saturday's final nonconference game against Colorado State (1-2).
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