Contreras started Friday because Montero has been dealing with a knee injury , and he made the most of it .
The Cubs said they wanted Contreras to join the big league club so he could learn from veterans Miguel Montero and David Ross .
Contreras started Friday because Miguel Montero has been dealing with a knee injury , and Contreras made the most of it .
The Cubs said they wanted Contreras to join the big league club so he could learn from veterans Miguel Montero and David Ross .