His fastball will sit around 90 mph, but it has great downward plane and should see an uptick in velocity as he fills out. Seabrooke has also shown good feel for his curveball, which has the potential to be an above-average offering down the line. His changeup lags behind the other two offerings but could become average in the future as he learns to use it more.
Derek Wetmore is an associate reporter for MLB.com.
This story was not subject to the approval of Major League Baseball or its clubs.