SACRAMENTO (AP) — Ty Lawson is trying to rebuild his image — along with his NBA career. Following a tumultuous year in which he was arrested twice for DUI and entered alcohol rehab, lost his starting job with the Houston Rockets and spent the final 13 games of the season mostly coming off the bench in Indiana, the veteran point guard is in Sacramento on a one-year prove-it contract. And that’s just what the 28-year-old former first-round draft pick intends to do — on and off the court.