Merrill Kelly Autographs
Kenneth Merrill Kelly (born October 14, 1988) is an American professional baseball pitcher for the Arizona Diamondbacks of Major League Baseball (MLB). He made his MLB debut on April 1, 2019. Kelly formerly played for the SK Wyverns of the KBO League.
Kelly lived in Lake Forest, Illinois from grades three to eight. He also spent early years in Bryn Mawr, Pennsylvania, a Philadelphia suburb before relocating to Scottsdale, Arizona and attending Desert Mountain High School.
The Baltimore Orioles selected Kelly in the 37th round of the 2007 Major League Baseball (MLB) draft, but he did not sign a contract. He attended Yavapai College. After playing college baseball at Yavapai for two years, the Cleveland Indians took him in the 22nd round of the 2009 MLB draft, but again, he did not sign. He transferred to Arizona State University, where he played for the Arizona State Sun Devils in 2010.
Read more about Merrill Kelly on Wikipedia
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Traded items with a signature of Merrill Kelly
The most expensive item with a signature of Merrill Kelly (Merrill Kelly Signed Game Used Worn Arizona Diamondbacks Jersey MLB JSA Auto) was sold in September 2025 for $750.00 while the cheapest item (2019 Topps Chrome Merrill Kelly Autograph Rookie Card RC Auto Diamondbacks!) found a new owner for $1.54 in September 2023. The month with the most items sold (7) was October 2023 with an average selling price of $19.99 for an autographed item of Merrill Kelly. Sold items reached their highest average selling price in January 2024 with $97.49 and the month that saw the lowest prices with $2.49 was July 2023. In average, an autographed item from Merrill Kelly is worth $14.99.
Most recently, these items with a signature of Merrill Kelly were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 2015 TOPPS HERITAGE MERRILL KELLY SIGNED CARD RC #594 IP AUTO DIAMONDBACKS NICE! | $21.98 |  |
 | 2019 Topps Gallery - Merrill Kelly RC Autographed Arizona Diamondbacks #104 | $8.26 | |
 | 2019 Topps Gallery Merrill Kelly RC Auto #104 Rookie Autograph Diamondbacks | $11.95 | |
| 2019 Topps MERRILL KELLY Autograph 1984 Rookie card ARIZONA DIAMONBACKS auto | $15.00 | |
| 2019 Topps Update Series 1984 Merrill Kelly #84A-MK Rookie Auto RC Signed | $9.99 | |
 | 2020 Topps Tier One Break Out Autographs #MEK Merrill Kelly Autograph Auto /299 | $20.00 | |
| 2023 Topps Gold Foil Merrill Kelly Auto Arizona Diamondbacks #71 COA Card Signed | $45.99 | |
| 2023 Topps Heritage Merrill Kelly Signed Card 199 Diamondbacks Autograph Auto | $24.18 | |
 | 2024 Topps Series 1 Baseball # 112 Merrill Kelly Signed Autographed Card | $12.99 | |
 | 2025 Topps Heritage Merrill Kelly Arizona Diamondbacks Autographed Card #287 | $24.24 | |
| Merrill Kelly 2019 Topps Chrome Update Auto Autograph RC #CUA-MKE | $17.68 | |
| Merrill Kelly 2019 Topps Gallery Rookie RC Auto Autograph #104 | $10.00 | |
| MERRILL KELLY AUTOGRAPHED 2023 TOPPS HERITAGE BASEBALL CARD #199 AZ DBACKS MLB | $14.99 | |
 | Merrill Kelly Signed 2023 Topps Card #71 Arizona Diamondbacks Autographed | $17.99 | |
 | Topps 2019 High Tek Merrill Kelly Rookie Autograph Arizona Diamondbacks #HTA-MK | $8.32 | |
Latest News about Merrill Kelly
MLB rumors: Diamondbacks add Merrill Kelly, Cardinals trade talks heat up; Micha (12/14/2025): Here are your hot stove rumors for Sunday, Dec. 14 
Rangers trade for Merrill Kelly: Texas bulks up rotation with Diamondbacks start (07/31/2025): The Rangers' division and wild card rivals have all been busy this deadline Free MLB player props, odds for July 20: Use Merrill Kelly, Tarik Skubal, Jose R (07/20/2025): SportsLine's model is on a 46-43 roll on MLB picks and revealed its MLB prop picks and MLB betting picks for sites like PrizePicks, DraftKings and FanDuel Diamondbacks pitcher Merrill Kelly scratched from Sunday start with shoulder dis (04/21/2024): Kelly has put up a 2.19 ERA in his first four starts this season Diamondbacks pitcher Merrill Kelly scratched from Sunday start with reported inj (04/21/2024): Kelly has put up a 2.19 ERA in his first four starts this season
Older News Stories about Merrill Kelly
World Series 2023: How Merrill Kelly has turned into Diamondbacks' unlikely ace (10/2023): Kelly was stellar in Arizona's Game 2 win over the Rangers on Saturday night Diamondbacks sign potential trade candidate Merrill Kelly to two-year contract e (04/2022): The deal reportedly includes a club option for 2025 D-backs RHP Kelly to injured list for shoulder (08/2020): Arizona right-hander Merrill Kelly was put on the 10-day injured list with a shoulder injury.
