Amarillo Slim' pleads guilty in assault case Legendary poker player "Amarillo Slim" has pleaded guilty to three misdemeanor assault charges in a case involving a 12-year-old girl. Thomas Austin Preston Jr., 75, was sentenced Tuesday to two years deferred adjudication and fined $4,000 by a judge in Amarillo, Texas. In August, a Randall County grand jury indicted him on three felony counts of indecency with a child by contact, accusing him of touching the girl on three dates in early 2003. The plea to the less severe charges means the felony counts will be dropped and Preston will not be required to register as a sexual offender.