Skowhegan High School’s Sierra Carey, Hall-Dale’s Ashlynn Donahue and Searsport’s Ana Lang were the winning pitchers in their teams’ state championship games last season in Class A, C and D, respectively. In addition to being state titlists, they have another thing in common. They all have the same pitching guru: former policeman Rick Roberts. Every Sunday beginning in October and ending in June, Roberts works with softball pitchers of all ages from 7 a.m.