Those who watched Friday night's broadcast were treated to an inning of Tonkin's work and saw him display a mid-90s fastball with solid movement coupled with a curve with some impressive tilt.
[FONT=Arial]His fastball reaches about 95 miles per hour, but the development of a lethal slider has helped him rise up the organizational prospect rankings. Tonkin tinkered with a curveball and slider for several years before the breakthrough last season.
“The development of the slider last year was huge,” Tonkin said. “I felt like I had hit a roadblock the years before that, but getting that slider down was definitely a difference-maker.[/FONT]
[FONT=Arial]“It’s still a work in progress, but it’s much better than it was before.”[FONT=Verdana]
Tonkin's addition of those pitches may make him a lethal option for the Twins in the very near future.[/FONT][/FONT]