BRADENTON, Fla. - You could create a pretty nice list of prospects if you looked at all of the Pirates minor league pitchers who have undergone Tommy John surgery the last few years. Most of the attention goes to Jameson Taillon and prospects at the top of the system like Clay Holmes, Nick Kingham, Casey Sadler, Brandon Cumpton, and Angel Sanchez. That group alone could be 60% of an MLB rotation one day, along with a few relief depth options.

But there are other prospects in the lower levels who have undergone the surgery. These guys haven't even had a chance yet to really establish themselves as prospects, or show what kind of upside they could have. I got a chance to see two of those guys -- Jacob Taylor and James Marvel -- throwing live BP this week at Pirate City, as they both enter...

To continue reading the rest of this article, subscribe to Pirates Prospects. Subscribers get access to every article on the site, along with all of our exclusive live coverage of the Pirates' minor league system, all for a very low monthly or yearly rate.

If you're already a member, you can log in below. If you think you're receiving this message in error, please e-mail tim@piratesprospects.com.