Caleb Smith was a Rule 5 Draft pick , and the Cubs need to determine if the lefty is ready to make the jump from Double - A to the big leagues .
If not , lefty Mike Montgomery could get the job .
Caleb Smith was a Rule 5 Draft pick , and the Cubs need to determine if the lefty is ready to make the jump from Double - A to the big leagues .
If not , lefty Mike Montgomery could get the job .