Tony La Russa pleaded guilty to reckless driving Monday -- nearly a full year after he was arrested in February -- and now, the White Sox manager is expressing serious remorse over the incident.
La Russa was busted back on Feb. 24 after cops believed he had been drinking and driving.
In police documents, cops said the 76-year-old had wrecked his car in Phoenix, Ariz. -- and officers claimed he exhibited all the signs of being impaired when they questioned him.
Cops said La Russa smelled like alcohol, blew a .09 (the legal limit is .