William Christopher Koch (born December 14, 1974) is an American former Major League Baseball relief pitcher. He was born in Rockville Centre, New York. Koch played college baseball for Clemson University from 1994 to 1996. He was drafted by the Toronto Blue Jays in the first round (fourth pick) of the 1996 amateur draft and made his debut in 1999. He made an instant impression by regularly hitting 100 MPH with his fastball.
Koch won a bronze medal with the United States national baseball team at the 1996 Summer Olympics in Atlanta.
Toronto Blue Jays (1999-2001)
Oakland Athletics (2002)
Chicago White Sox (2003-2004)
Florida Marlins (2004)
Sent him 2 cards on 13 Jul and got them back signed on 8 Aug
Mr Billy Koch
9040 Walsingham Rd
Largo, FL 33773
Billy Koch Baseball
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Re: Billy Koch Baseball
Hi again caappy 
Thank you for your feedback
Would you have a scan of the envelope and picture you received please?
If so, you are in the run for the $10 gift certificate.
Jim Kubiak on Fanmail.biz | Previous Feedback Received
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Thank you for your feedback

Would you have a scan of the envelope and picture you received please?
If so, you are in the run for the $10 gift certificate.

Fanmail

Via Venue Addresses (Until March 2026)
updated 7/8/2025

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