The free agent quarterback was arrested Saturday in Willacy County, Texas, for boating while intoxicated, 956 Sports reports.
Kolb was released on Sunday on his own recognizance after spending around 10.5 hours in jail.
Kolb was released by the Buffalo Bills in March after missing the season because of concussion problems. He has thrown for 28 touchdowns and 25 interceptions over his NFL career, which has been spent with the Eagles, Cardinals and Bills. Turning 30 before the season, Kolb will probably find some work during the NFL season, but his future does not look good.