Mike Koplove Autographs
Mike Koplove is a former American professional baseball pitcher who played in the Major League Baseball (MLB) for five seasons. Born on August 30, 1976, in Philadelphia, Pennsylvania, Koplove attended Chestnut Hill Academy and later Delaware University before he was drafted by the Arizona Diamondbacks in the 29th round of the 1998 MLB draft. He spent four years in the minors before making his Major League debut on May 25, 2001, against the San Diego Padres.
Koplove spent the majority of his career with the Arizona Diamondbacks and was known for his signature submarine-style delivery, which made him difficult to hit. The right-handed pitcher played for the Diamondbacks from 2001 to 2005 before moving to the Cleveland Indians in 2006. He also played for the Philadelphia Phillies in 2007 and Miami Marlins in 2008 but struggled with injuries, which limited his playing time. Koplove retired from professional baseball in 2009 with a career record of 8-4, an ERA of 3.82, and 98 strikeouts.
Despite his short career, Mike Koplove remains an important figure in baseball history, especially among young baseball players who hope to perfect the submarine-style delivery. Several baseball coaches still use his pitching technique as a teaching tool to help young players develop their own signature style. Today, Koplove works as a baseball coach, helping young athletes hone their skills and improve their game. His dedication to the sport and his passion for helping young athletes make him a true legend in the world of baseball.
Read more about Mike Koplove on Wikipedia
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Traded items with a signature of Mike Koplove
The most expensive item with a signature of Mike Koplove (2001 Donruss Signature Series Rookie /800 Mike Koplove #174 Rookie RC) was sold in October 2025 for $64.03 while the cheapest item (Mike Koplove signed 3x5) found a new owner for $0.54 in December 2011. The month with the most items sold (3) was May 2026 with an average selling price of $3.48 for an autographed item of Mike Koplove. Sold items reached their highest average selling price in October 2025 with $64.03 and the month that saw the lowest prices with $0.54 was December 2011. In average, an autographed item from Mike Koplove is worth $4.00.
Most recently, these items with a signature of Mike Koplove were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 2001 Donruss Signature Series Rookie /800 Mike Koplove #174 Rookie RC | $15.03 |  |
| 2001 Donruss Signature Series Rookie /800 Mike Koplove #174 Rookie RC | $64.03 | |
| 2001 Donruss Signature Series Rookie 59/800 Mike Koplove #174 Rookie RC sh7 | $15.03 | |
 | 2001 Donruss Signature Series Rookie 59/800 Mike Koplove #174 sh7 | $17.32 | |
 | 2001 Donruss Signature Series Rookie 59/800 Mike Koplove #174 sh7 | $17.03 | |
| 2002 UD 40 Man Mike Koplove Signed Card Diamondbacks Auto UDEL Chestnut Hill HS | $5.99 | |
| Autographed 8x10 MIKE KOPLOVE Los Angeles Dodgers photo - COA | $18.99 | |
 | Mike Koplove 2001 Donruss Signature #174 /800 RC Rookie | $3.48 | |
 | Mike Koplove 2001 Donruss Signature #174 SN,RC Rookie | $3.48 | |
 | Mike Koplove Arizona Diamondbacks 2003 Upper Deck Autograph Card #504 READ DESCR | $6.26 | |
| Mike Koplove Arizona Diamondbacks Autographed Signed Official Major League Ball | $10.00 | |
| Mike Koplove Auto Autographed Signed 2003 Topps Total Card Arizona Diamondbacks | $7.99 | |
| MIKE KOPLOVE JEWISH SIGNED AUTOGRAPH BASEBALL CARD 2008 LAS VEGAS 51s DELAWARE | $2.75 | |
| Mike Koplove Signed 2004 Topps Total #674 Card Arizona Diamondbacks Auto AU | $2.99 | |
| Mike Koplove signed autographed 3x5 index card F2240 | $7.00 | |
