When the SF Giants called up their top pitching prospect, Carson Whisenhunt, the main thing people talked about was how good his changeup is. So far in his brief big league career, that pitch just has not been as effective as anticipated.
The top pitching prospect in the organization was just sent back down to Triple-A and Tyler Fitzgerald was recalled. It seems with Whisenhunt's struggles they feel he need a little more seasoning in the minors.
Whisenhunt only made three starts after being called up and it was a bit of a mixed bag.