The first is "The First Ride of Wyatt Earp" where Trace plays the unfortunately-named Milflin Kenedy.
Val Kilmer plays the title character, Wyatt Earp. Google description: The First Ride of Wyatt Earp is based on a true story where an elderly Earp sits down with a reporter and reflects on the ride that made him a legend. A story of a young marshal who rounded up a posse in order to track down the outlaw who mistakenly murdered the woman he loved.
The second movie is called "Palominas" and IMDB lists Trace as being "rumored" to play Judge Guilt Roads.
Since the movie is apparently just in pre-production, this role isn't set in stone yet. The IMDB description says: Rancher and down-trodden Sheriff confront hired gunmen on the Mexico border at the end of the 19th century.