SF Giants’ Miller, Roupp continue progressing from elbow injuries

SF Giants’ Miller, Roupp continue progressing from elbow injuries

SAN FRANCISCO — Left-hander Erik Miller took another step towards recovering from his left elbow strain on Tuesday, throwing his second bullpen since going on the injured list earlier this month. Miller threw exclusively fastballs at about 75% effort during his 20-pitch bullpen session this past Saturday, but he incorporated his full gamut of pitches during his bullpen session on Tuesday. “It’s obviously something you want to mess around with,” …