Injuries opened the door for Ryan Rolison. The Cubs' surprise reliever is quickly proving his worth with a dominant, six-pitch arsenal.

LOS ANGELES — Ryan Rolison had not pitched in 10 days when Chicago Cubs manager Craig Counsell turned to the lefty reliever. The Cubs needed outs. And in that moment, when everything had been working against the Cubs heading into the sixth inning Friday night at Dodger Stadium, Rolison delivered. He threw three shutout innings and allowed just two base runners, giving the Cubs offense a chance ...

Chicago bolsters its bullpen with fresh left-handed arms. Luke Little returns amidst control concerns, while Ryan Rolison aims to prove his dominant Triple-A performance.

After a whirlwind offseason and a waiver claim by the Cubs, left-hander Ryan Rolison is showing increased velocity and renewed promise this spring — and the White Sox may regret letting him slip away.

From DFA'd multiple times to a spring sensation, Ryan Rolison is re-inventing himself. The Cubs' pitching lab could be his redemption.

Left-handed pitcher Ryan Rolison changes sides in Chicago after being designated for assignment by the White Sox and claimed by the Cubs.

Despite finalizing a deal with Miami, the Cubs just acquired a pitcher off waivers.

28-year-old Ryan Rolison adds to the White Sox bullpen depth as Chicago looks for upside arms with remaining team control.