Position: Left-handed Pitcher
Duffey was the Tigers 28th round pick out of Heritage High School (Georgia) in the 2010 draft. He signed later in the summer and only appeared in eight games out of the bullpen for the GCL Tigers.
Over those eight games, Duffey did not allow a run to score, finishing with a 1-0 record and one save in 12 2/3 innings. He allowed just four hits and five walks while striking out 15.
During his senior year at Heritage High, Duffey was one of the critical pieces that helped lead his school to a Georgia AA state championship. He finished the year hitting over .500 with eight home runs at the plate, and also posted an ERA near 1.00 with 125 strikeouts en route to a 14-1 record.
Duffey works out of a delivery that provides some deception. He utilizes a high leg kick that brings his lower leg up near his chest and parallel with the ground. He hides the ball well throughout his delivery and that helps his fastball play up a touch.
His velocity sits consistently from 85-87 with some nice lefty movement to the arm side. He will scrape 90 mph once in a while in short bursts, but rarely ever peaks that high as a starter. He throws strikes as a matter of routine and is still refining his ability to locate within the strike zone. He repeats his arm slot well and projects for at least average command.
Duffey backs his fastball up with a curveball and change-up. He shows good ability to spin his breaking ball with solid angled break. He could stand to tighten the pitch up a bit, but that should come with time and he could have an above-average curveball in time.
His change-up is a below-average pitch though he shows feel for it and a willingness to try and throw it in a variety of circumstances. He will have to bring his change-up forward to have sustained success against right-handed hitters.
Duffey is a mature pitcher that has taken quickly to mixing pitches and working backwards to set up his below-average fastball. He has good mound presence and remains in control of his emotions throughout his outings.
Duffey will need a significant step forward across the board to become a serious prospect. He lacks a standout pitch and doesn't project for the pinpoint command to overcome that. His frame offers some projection but he will likely always have a below-average fastball. In a perfect world, Duffey could profile as a back of the rotation starter, but even that modest projection is a huge leap at this time.
Performance Level Team W-L ERA G GS SV SO BB IP AVG R
Duffey is being eased into pro ball, and the Tigers will slowly increase his workload over the next couple of years. He has not had any significant injuries in his past and he has been healthy as a professional.
Duffey has again been pitching well in the GCL as a 19-year old this summer. His pitchability and willingness to mix in a breaking ball and change-up gives him a huge advantage in the complex leagues.
With another offseason of adding strength and refining his command, Duffey could be ready for full-season ball as a 20-year old in 2012, where his package could still succeed despite the lack of now-stuff or projection.
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