Torun, POLAND – From walk-on status at St. Mary’s to beginning his pro career overseas this year, former Piedmont High basketball standout Luke Barrett is realizing a dream which took shape during his five years in Moraga. “Every teammate that graduated is still playing. I felt if I am good enough to play at St. Mary’s, I can go play here” in Europe, said Barrett, 24, standing courtside here in central Poland. “That started to become a realistic dream.” The 6-foot-6 Barrett is playing for Arka in Gdynia, a city in northern Poland along the Baltic Sea where the home arena holds about 5,500 fans. The club provides him, at no expense, an apartment and car – a typical arrangement for former...