Arizona Diamondbacks Peter O'Brien hits in the sixth inning against the Los Angeles Dodgers, Friday, Sept. 11, 2015, in Phoenix.
Arizona Diamondbacks Peter O'Brien hits in the sixth inning against the Los Angeles Dodgers, Friday, Sept. 11, 2015, in Phoenix. Rick Scuteri AP
Arizona Diamondbacks Peter O'Brien hits in the sixth inning against the Los Angeles Dodgers, Friday, Sept. 11, 2015, in Phoenix. Rick Scuteri AP

Former UM star Peter O’Brien takes circuitous path to majors

September 25, 2015 6:38 PM