The former Alabama star had 1,178 yards rushing and 11 touchdowns in 2013 - and that was with quarterback Aaron Rodgers sidelined for seven weeks with a collarbone injury.
Lacy brought balance to the Packers' already potent attack. He hopes the offense can be even more explosive with a full season of Rodgers.
The Packers open the 2014 campaign with a difficult challenge at Seattle on Thursday night against the Super Bowl champion Seahawks.
Green Bay's first-string offense has looked good in limited snaps this preseason playing at its preferred up-tempo pace. Rodgers and Lacy together gives defenses an unwelcome dilemma of concentrating on the run or pass.
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