Track Record: Signed by the White Sox during the 2018 international period, Silven debuted in the Dominican Summer League that same year. While nothing in Silven’s profile screamed prospect upon signing, he’s shown enough potential in small samples to indicate that there may be something intriguing developing. He pitched at three levels in 2021, with the biggest improvement coming when he moved to the bullpen.
Scouting Report: Silven is a bulldog on the mound, although he can often struggle to control his emotions at times. His fastball ranges from 93-97 mph, but the pitch lacks bite or late life, making it fairly easy to barrel. The slider is a work in progress, as the organization is working to add velocity onto the pitch and was a key area of focus during instructional league. The pitch sat 80-82 mph during the regular season but was up to 86 mph during instructional league. Over the course of fall play, Silven and a pitching coach had an ongoing bet as to how hard he was going to throw the slider each day. It’s a positive sign that he came out of the fall with a few extra bucks in his pocket.
The Future: Almost 19 when he signed with the White Sox, Silven will be 23 by midseason. After finishing the year with Double-A Birmingham, he’s likely to return there to start 2022. Long-term, Silven projects to fill either a middle-inning relief role or that of a swingman, thriving primarily with his fastball-slider combo.
Scouting Reports
Track Record: Signed by the White Sox during the 2018 international period, Silven debuted in the Dominican Summer League that same year. While nothing in Silven’s profile screamed prospect upon signing, he’s shown enough potential in small samples to indicate that there may be something intriguing developing. He pitched at three levels in 2021, with the biggest improvement coming when he moved to the bullpen.
Scouting Report: Silven is a bulldog on the mound, although he can often struggle to control his emotions at times. His fastball ranges from 93-97 mph, but the pitch lacks bite or late life, making it fairly easy to barrel. The slider is a work in progress, as the organization is working to add velocity onto the pitch and was a key area of focus during instructional league. The pitch sat 80-82 mph during the regular season but was up to 86 mph during instructional league. Over the course of fall play, Silven and a pitching coach had an ongoing bet as to how hard he was going to throw the slider each day. It’s a positive sign that he came out of the fall with a few extra bucks in his pocket.
The Future: Almost 19 when he signed with the White Sox, Silven will be 23 by midseason. After finishing the year with Double-A Birmingham, he’s likely to return there to start 2022. Long-term, Silven projects to fill either a middle-inning relief role or that of a swingman, thriving primarily with his fastball-slider combo.
Career Transactions
RHP Yoelvin Silven roster status changed by Chicago White Sox.
RHP Yoelvin Silven assigned to Chicago White Sox.
RHP Yoelvin Silven roster status changed by Chicago White Sox.
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