Let's grade the Lions' decision to sign the 28-year-old, who'll be entering his eighth professional season in 2013.
Reggie Bush never materialized into a traditional feature back in the NFL. Based on how he'll be used with the Detroit Lions, that's totally fine.
As a rookie in 2006, Bush caught 88 passes in the regular season and had seven receptions for 132 yards with a touchdown in the NFC title game against the Chicago Bears.
His world-class cutting ability and burst made him nearly impossible to cover out of the slot and a marvel in the screen game.
Matt Stafford attempted a ridiculous 727 passes in 2012, and the team's offense primarily runs out of the shotgun formation.
With Bush's immense pass-catching talents, the fit in Detroit is obvious.
Bush is an inherently talented speed back with a dazzling ability to make defenders miss in the open field.
Although he doesn't possess Chris Johnson-esque home-run-hitting downfield speed, he certainly can bust the big play in a variety of ways.
At the 2006 scouting combine, Bush clocked a 4.38 in the 40-yard dash.
His vision and instincts in the open field are fantastic, but not necessarily elite. Still, Bush will make just about every linebacker look foolish in coverage.
According to Tom Pelissero, Bush's four-year contract is worth $16 million and includes a $4 million signing bonus.
For a situational player who could be extremely efficient when on the field, this is a fantastic deal for the Lions.
To put Bush's reasonable contract into perspective, lightning bug Darren Sproles signed a four-year, $14 million deal with the New Orleans Saints in 2011.
Because he won't touch the ball 30 times per game, he should stay relatively fresh.
He's always kept his body in fantastic shape, and he even has his own workout app.
The Lions acquired a dynamic pass-catching running back who should bring some leadership to what has been a troubled locker room in the past.
Detroit can work him into its aerial offense and utilize him creatively. His screen-game presence will be a fine complement to downfield wonder Calvin Johnson, and he'll wreak havoc out of the slot picking up yards after the catch on underneath routes.
At $4 million per season, this was a fine move by the Lions.