Today’s Diamondbacks/Rockies matchup features Jorge De La Rosa versus Rubby De La Rosa. Its far from the first time a game has featured two pitchers with the same surname. Here is the complete list through the end of 2014.
| date | vteam | vlg | hteam | hlg | VIS PITCHER | HOME PITCHER |
|---|---|---|---|---|---|---|
| 18760912 | SL3 | NL | BSN | NL | Bradley | Bradley |
| 18760913 | SL3 | NL | BSN | NL | Bradley | Bradley |
| 18761003 | BSN | NL | SL3 | NL | Bradley | Bradley |
| 18761004 | BSN | NL | SL3 | NL | Bradley | Bradley |
| 18790513 | SR1 | NL | CL2 | NL | McCormick | McCormick |
| 18790517 | SR1 | NL | CL2 | NL | McCormick | McCormick |
| 18790528 | CL2 | NL | SR1 | NL | McCormick | McCormick |
| 18790530 | CL2 | NL | SR1 | NL | McCormick | McCormick |
| 18790531 | CL2 | NL | SR1 | NL | McCormick | McCormick |
| 18790717 | SR1 | NL | CL2 | NL | McCormick | McCormick |
| 18790909 | CL2 | NL | SR1 | NL | McCormick | McCormick |
| 18790910 | CL2 | NL | SR1 | NL | McCormick | McCormick |
| 18880728 | DTN | NL | CHN | NL | Baldwin | Baldwin |
| 18880924 | NY1 | NL | WS8 | NL | Keefe | Keefe |
| 18890601 | NY1 | NL | WS8 | NL | Keefe | Keefe |
| 18890604 | NY1 | NL | WS8 | NL | Keefe | Keefe |
| 18890729 | NY1 | NL | WS8 | NL | Keefe | Keefe |
| 18890827 | WS8 | NL | NY1 | NL | Keefe | Keefe |
| 18890918 | NY1 | NL | WS8 | NL | Keefe | Keefe |
| 18981009 | SLN | NL | CHN | NL | Taylor | Taylor |
| 18990416 | CHN | NL | CIN | NL | Taylor | Taylor |
| 19000912 | CHN | NL | NY1 | NL | Taylor | Taylor |
| 19010701 | CHN | NL | NY1 | NL | Taylor | Taylor |
| 19010926 | NY1 | NL | CHN | NL | Taylor | Taylor |
| 19010929 | BRO | NL | CHN | NL | Hughes | Hughes |
| 19020603 | CHN | NL | NY1 | NL | Taylor | Taylor |
| 19030528 | CHN | NL | NY1 | NL | Taylor | Taylor |
| 19040507 | NY1 | NL | SLN | NL | Taylor | Taylor |
| 19040809 | SLN | NL | NY1 | NL | Taylor | Taylor |
| 19050917 | SLN | NL | CHN | NL | Brown | Brown |
| 19070801 | CHA | AL | WS1 | AL | Smith | Smith |
| 19080731 | WS1 | AL | CHA | AL | Smith | Smith |
| 19100608 | BOS | AL | CHA | AL | Charlie Smith | Smith |
| 19100621 | CHA | AL | CLE | AL | Young | Young |
| 19110421 | SLA | AL | CLE | AL | Mitchell | Mitchell |
| 19110508 | SLN | NL | PIT | NL | Bill Steele | Elmer Steele |
| 19110814 | CLE | AL | SLA | AL | Mitchell | Mitchell |
| 19110816 | CHN | NL | BSN | NL | Mordecai Brown | Buster Brown |
| 19130421 | SLA | AL | CLE | AL | Mitchell | Mitchell |
| 19140423 | BOS | AL | WS1 | AL | Rankin Johnson | Walter Johnson |
| 19140529 | WS1 | AL | BOS | AL | Walter Johnson | Rankin Johnson |
| 19140601 | WS1 | AL | BOS | AL | Walter Johnson | Rankin Johnson |
| 19140703 | BOS | AL | WS1 | AL | Rankin Johnson | Walter Johnson |
| 19140706 | BOS | AL | WS1 | AL | Rankin Johnson | Walter Johnson |
| 19170421 | PHA | AL | WS1 | AL | Ellis Johnson | Walter Johnson |
| 19170628 | WS1 | AL | PHA | AL | Walter Johnson | Jing Johnson |
| 19170903 | WS1 | AL | PHA | AL | Walter Johnson | Jing Johnson |
| 19210420 | BRO | NL | PHI | NL | Sherry Smith | George Smith |
| 19230825 | WS1 | AL | DET | AL | Walter Johnson | Syl Johnson |
| 19230913 | DET | AL | WS1 | AL | Syl Johnson | Walter Johnson |
| 19240517 | BSN | NL | CIN | NL | Larry Benton | Rube Benton |
| 19240626 | BSN | NL | NY1 | NL | Jesse Barnes | Virgil Barnes |
| 19240629 | BSN | NL | NY1 | NL | Jesse Barnes | Virgil Barnes |
| 19250423 | BSN | NL | NY1 | NL | Jesse Barnes | Virgil Barnes |
| 19260625 | NY1 | NL | BRO | NL | Virgil Barnes | Jesse Barnes |
| 19260722 | CHA | AL | NYA | AL | Tommy Thomas | Myles Thomas |
| 19260904 | PIT | NL | CHN | NL | Bullet Joe Bush | Guy Bush |
| 19260911 | BRO | NL | NY1 | NL | Jesse Barnes | Virgil Barnes |
| 19310611 | CLE | AL | WS1 | AL | Clint Brown | Lloyd Brown |
| 19310821 | WS1 | AL | CLE | AL | Lloyd Brown | Clint Brown |
| 19320427 | SLN | NL | CIN | NL | Syl Johnson | Si Johnson |
| 19320502 | CIN | NL | SLN | NL | Si Johnson | Syl Johnson |
| 19330726 | NYA | AL | BOS | AL | Jumbo Brown | Lloyd Brown |
| 19360814 | CHN | NL | CIN | NL | Curt Davis | Peaches Davis |
| 19380906 | SLN | NL | CIN | NL | Curt Davis | Peaches Davis |
| 19400530 | CHA | AL | CLE | AL | Eddie Smith | Al Smith |
| 19400814 | CHA | AL | CLE | AL | Eddie Smith | Al Smith |
| 19400831 | CLE | AL | CHA | AL | Al Smith | Eddie Smith |
| 19410804 | PHA | AL | BOS | AL | Lum Harris | Mickey Harris |
| 19430618 | CLE | AL | CHA | AL | Al Smith | Eddie Smith |
| 19430827 | CLE | AL | CHA | AL | Al Smith | Eddie Smith |
| 19430918 | PHI | NL | BSN | NL | Dick Barrett | Red Barrett |
| 19440430 | BRO | NL | NY1 | NL | Rube Melton | Cliff Melton |
| 19440615 | BSN | NL | PHI | NL | Red Barrett | Dick Barrett |
| 19450529 | PHI | NL | SLN | NL | Dick Barrett | Red Barrett |
| 19450817 | SLN | NL | PHI | NL | Red Barrett | Dick Barrett |
| 19620707 | SLN | NL | NYN | NL | Larry Jackson | Al Jackson |
| 19630530 | CHN | NL | NYN | NL | Larry Jackson | Al Jackson |
| 19650707 | CHN | NL | NYN | NL | Larry Jackson | Al Jackson |
| 19660519 | SLN | NL | PHI | NL | Al Jackson | Larry Jackson |
| 19660811 | PHI | NL | SLN | NL | Larry Jackson | Al Jackson |
| 19670704 | CHN | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19680423 | ATL | NL | CHN | NL | Phil Niekro | Joe Niekro |
| 19690713 | ATL | NL | SDN | NL | Phil Niekro | Joe Niekro |
| 19690926 | SDN | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19700805 | HOU | NL | SDN | NL | Don Wilson | Earl Wilson |
| 19730703 | DET | AL | CLE | AL | Jim Perry | Gaylord Perry |
| 19750630 | CHN | NL | NYN | NL | Steve Stone | George Stone |
| 19760529 | HOU | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19780926 | HOU | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19790531 | DET | AL | TOR | AL | Pat Underwood | Tom Underwood |
| 19790926 | HOU | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19800511 | HOU | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19820913 | HOU | NL | ATL | NL | Joe Niekro | Phil Niekro |
| 19830727 | SFN | NL | SLN | NL | Renie Martin | John Martin |
| 19860514 | ATL | NL | MON | NL | Zane Smith | Bryn Smith |
| 19860928 | TEX | AL | CAL | AL | Bobby Witt | Mike Witt |
| 19860929 | CHN | NL | PHI | NL | Greg Maddux | Mike Maddux |
| 19880731 | CHN | NL | PHI | NL | Greg Maddux | Mike Maddux |
| 19880829 | LAN | NL | MON | NL | Ramon Martinez | Dennis Martinez |
| 19890929 | TEX | AL | CAL | AL | Bobby Witt | Mike Witt |
| 19900410 | MON | NL | SLN | NL | Zane Smith | Bryn Smith |
| 19900510 | LAN | NL | MON | NL | Ramon Martinez | Dennis Martinez |
| 19900515 | MON | NL | LAN | NL | Dennis Martinez | Ramon Martinez |
| 19900819 | MON | NL | LAN | NL | Dennis Martinez | Ramon Martinez |
| 19900910 | MIN | AL | CAL | AL | Paul Abbott | Jim Abbott |
| 19910529 | PIT | NL | SLN | NL | Zane Smith | Bryn Smith |
| 19910911 | NYN | NL | CHN | NL | Tony Castillo | Frank Castillo |
| 19920724 | LAN | NL | MON | NL | Ramon Martinez | Dennis Martinez |
| 19920920 | TEX | AL | TOR | AL | Jose Guzman | Juan Guzman |
| 19930715 | MON | NL | LAN | NL | Dennis Martinez | Ramon Martinez |
| 19960829 | LAN | NL | MON | NL | Ramon Martinez | Pedro Martinez |
| 19970420 | FLO | NL | SFN | NL | Alex Fernandez | Osvaldo Fernandez |
| 19990511 | NYN | NL | COL | NL | Bobby Jones | Bobby Jones |
| 20000408 | PIT | NL | ARI | NL | Jimmy Anderson | Brian Anderson |
| 20000523 | PIT | NL | ARI | NL | Jimmy Anderson | Brian Anderson |
| 20000813 | ARI | NL | PIT | NL | Brian Anderson | Jimmy Anderson |
| 20020906 | CHN | NL | SLN | NL | Alan Benes | Andy Benes |
| 20040807 | PIT | NL | SDN | NL | Kip Wells | David Wells |
| 20050807 | CHN | NL | NYN | NL | Carlos Zambrano | Victor Zambrano |
| 20050815 | KCA | AL | SEA | AL | Runelvys Hernandez | Felix Hernandez |
| 20050826 | CHA | AL | SEA | AL | Orlando Hernandez | Felix Hernandez |
| 20050924 | PIT | NL | LAN | NL | Oliver Perez | Odalis Perez |
| 20060614 | CLE | AL | NYA | AL | Jason Johnson | Randy Johnson |
| 20090620 | LAN | NL | ANA | AL | Jeff Weaver | Jered Weaver |
| 20090823 | SEA | AL | CLE | AL | Felix Hernandez | Fausto Carmona (Roberto Hernandez) |
| 20090925 | BAL | AL | CLE | AL | David Hernandez | Fausto Carmona (Roberto Hernandez) |
| 20120626 | ARI | NL | ATL | NL | Daniel Hudson | Tim Hudson |
| 20120821 | CLE | AL | SEA | AL | Fausto Carmona (Roberto Hernandez) | Felix Hernandez |
(Data from Retrosheet. Please donate to their cause.)