Injured Diamondbacks starter Shelby Miller is aiming to return to the rotation in June following Tommy John surgery last season. Miller hasn't pitched a regular season game since last April, when he tore his UCL in a game against the Dodgers. His rehab is reportedly going well, as he threw his sixth bullpen session on Friday. He threw 35 pitches at a reported 80 percent effort. Miller has yet to throw his split-finger fastball due to the strain it puts on his arm, however, Miller says his timing[...]