McClain won the Butkus Award as the nation's top linebacker and also helped lead the Alabama Crimson Tide to the national championship last year.
ESPN.com Insider Adam Schefter is reporting the deal is 5 years, $40million with $23 million guaranteed. McClain received a 13% increase of last years #8 pick Eugene Monroe, including $3.8M more in guaranteed money.
With the signing of McClain the Raiders are now the 5th team to sign all their draft picks. They join the Panthers, Bears, Cowboys and Patriots.
Check out the highlight tape below of McClain's career