Ron Diorio Autographs
Ronald Michael Diorio (born July 15, 1946), and attended Sacred Heart High School in Waterbury, Connecticut. He played Major League Baseball (MLB) for the Philadelphia Phillies, in 1973 and 1974. He batted and threw right-handed.
Diorio was drafted by the Phillies in the 16th round (366th overall) of the 1969 Major League Baseball draft, out of the University of New Haven. other picks were hall of famers Bert Blyleven and Dave Winfield
Diorio logged a 0–0 record, with a 3.10 earned run average (ERA), in 25 games played, over the course of his two-year big league career.
Read more about Ron Diorio on Wikipedia
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Traded items with a signature of Ron Diorio
The most expensive item with a signature of Ron Diorio (Ron Diorio Autographed Official MLB Baseball Philadelphia Phillies SKU #226063) was sold in December 2025 for $49.00 while the cheapest item (Ron Diorio signed 3x5) found a new owner for $0.79 in February 2020. The month with the most items sold (2) was June 2012 with an average selling price of $9.39 for an autographed item of Ron Diorio. Sold items reached their highest average selling price in December 2025 with $49.00 and the month that saw the lowest prices with $0.79 was February 2020. In average, an autographed item from Ron Diorio is worth $8.89.
Most recently, these items with a signature of Ron Diorio were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | 1974 TOPPS Autograph Ron Diorio BASEBALL SET BREAK #599 ROOKIE PITCHERS - EX | $9.39 |  |
| 1974 TOPPS RC RON DIORIO AUTOGRAPH SIGNED AUTO #599 PHILADELPHIA PHILLIES | $8.95 | |
| Philadelphia Phillies Ron Diorio Signed 8x10 Vintage Autograph Photo 614 | $10.00 | |
| Ron Diorio (1973-1974) Signed 3x5 Team Issue Photo Philadelphia Phillies | $7.00 | |
| Ron Diorio 1973-1974 Phillies Signed 8.5X11 RARE Authentic Autograph Photo A14 | $29.99 | |
| Ron Diorio Autographed Official MLB Baseball Philadelphia Phillies SKU #226063 | $49.00 | |
| Ron Diorio Autographed Signed Custom Card Philadelphia Phillies 1974 Topps #599 | $12.00 | |
| Ron Diorio Baseball Signed Index Card Auto Autograph (no COA) *f1 | $12.95 | |
| Ron Diorio Philadelphia Phillies 1974 Topps Autographed Baseball Card | $2.68 | |
| Ron Diorio signed 3x5 | $0.79 | |
| Ron Diorio signed 3x5 | $0.99 | |
| Ron Diorio Signed 8x10 Photo Philadelphia Phillies Auto Autograph | $7.49 | |
| Ron Diorio Signed Auto Autograph 1974 Topps #599 Rookie Card Phillies | $5.99 | |
| Ron Diorio Signed Custom Card Auto Philadelphia Phillies Autograph COA | $13.99 | |
| Ron Diorio Signed Rare 1974 Topps O-Pee-Chee Rookie Philadelphia Phillies Autogr | $14.00 | |
