Back then (referring to Alex Smith's 2005 rookie year), however, the opposing team handled all footballs used in games. And they would send in, perhaps strategically, balls straight out of the box that still had a sheen of waterproofing that made them hard and extremely slick. The following offseason, a group of veteran quarterbacks led by
Peyton Manning and
Tom Brady petitioned the league to allow both teams to supply balls that had been scuffed up, worn in and had a better grip.
Read more here:
http://blogs.sacbee.com/49ers/archives/2013/08/small-hands-smith-how-a-myth-is-born-and-never-dies.html#storylink=cpy
http://blogs.sacbee.com/49ers/archives/2013/08/small-hands-smith-how-a-myth-is-born-and-never-dies.html
INT's per year league wide:
2003: 538 on 16495 attempts (3.26%)
2004: 521 on 16350 attempts (3.19%)
2005: 504 on 16465 attempts (3.06%)
2006: 520 on 16390 attempts (3.17%)
2007: 526 on 17054 attempts (3.08%)
2008: 464 on 16526 attempts (2.81%)
2009: 525 on 17034 attempts (3.08%)
2010: 510 on 17268 attempts (2.95)*
2011: 506 on 17410 attempts (2.91%)
2012: 468 on 17793 attempts (2.63%)
2013: 501 on 18144 attempts (2.76%)
2014: 450 on 17884 attempts (2.52%)
There were 29% more INT's in 2003 than 2014