ALTOONA, Pa. – The Altoona Curve's roster will have 29 total players, 20 of whom have played for the team previously. Three players are listed on top prospect lists for the Pittsburgh Pirates organization by Baseball America and MLB Pipeline. Khristian Curtis (No. 15 Baseball America, No. 24 MLB Pipeline), Duce Gourson (No. 21 BA, No. 29 MLB Pipeline) and Omar Alfonzo (No. 13 BA, No. 17 MLB ...