Pittsburgh ? Pirates starter Tom Gorzelanny, a Kansas University product, will miss the rest of the season because of an injury to his left middle finger. Gorzelanny left his start against the Houston Astros in the third inning Wednesday night with an irritation in his finger. The left-hander was examined Friday, when it was determined that his season was finished. Gorzelanny went 6-9 with a 6.66 earned-run average.