Norris ready to prove worth First-year Astros manager Bo Porter plans to use spring training as a top-to-bottom evaluation period for his young team, with multiple starting spots up for grabs and rotation slots granted to the best camp performers. The right to be named Houston’s opening-day starter and No. 1 pitcher will be one of the premier battles in Kissimmee, Fla., with righthanders Bud Norris and Lucas Harrell expected to vie for top billing. With a little more than two weeks remaining until a Feb. 11 report date for pitchers and catchers, Norris already is eyeing a strong spring and a career year. If a March 31 opening-day pitching [...]