Police said Eller, a member of the Pro Football Hall of Fame, was stopped Wednesday when police saw him riding his motorcycle, ran his plates and realized Eller did not have special license plates indicating he had past alcohol-related driving offenses.
Police wrote Eller a ticket and impounded his motorcycle.
Minneapolis Police Sergeant Jesse Garcia said Eller was cooperative and had not been drinking.
Eller did not immediately return messages left at his home or on his cell phone by The Associated Press on Friday.
The citation came just over a month after Eller was charged in Hennepin County District Court with fourth-degree assault and terroristic threats, both felonies, in an incident involving a scuffle with police who tried to arrest him for drunken driving and fleeing police. He also faces misdemeanor charges of drunken driving and refusing to submit to a sobriety test stemming from the incident.
A hearing on those charges is scheduled for May 19.
Eller was a member of the famed Purple People Eaters in his 15 years as a defensive end with Minnesota from 1964-78. He played in six Pro Bowls and all four of the Vikings' trips to the Super Bowl. He was inducted into the Pro Football Hall of Fame in 2004.
In 2006, Eller was charged in the suburb of Golden Valley with driving under the influence. He later pleaded guilty.
Eller has acknowledged his history as a substance abuser. He became a treatment counselor and has spoken publicly to groups about the problems of chemical dependency.
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