Charlie O’Brien

A baseball writer once compared Charlie O’Brien to Barry Bonds.…

Dan O’Brien

Eddie O'Brien (THE TOPPS COMPANY)

Eddie O’Brien

In 1969 the expansion Seattle Pilots hired Eddie O’Brien as…

Frank O’Brien

Dink O’Brien

George O’Brien

Jim O’Brien

Jerry O’Brien

John O’Brien

Cinders O’Brien

Jack O’Brien

The first professional baseball team Jack O’Brien played for…

John O’Brien

When John Joseph O’Brien took the field for the Brooklyn Bridegrooms…
Courtesy of John Thorn

Jack O’Brien

A hard-luck catcher with a strong bat, Jack O’Brien was a…
Johnny O'Brien (THE TOPPS COMPANY)

Johnny O’Brien

“The bonus rule will ruin baseball if it isn’t curtailed,”…

Joe O’Brien

Pete O’Brien

Pete O’Brien

Pete O’Brien

Pete O’Brien

Ray O’Brien

Bob O'Brien (Trading Card DB)

Bob O’Brien

In the early 1970s, lefty pitcher Bob O’Brien made an unlikely…

Syd O’Brien

Infielder Syd O’Brien was one of three brothers, all of whom…

Tommy O’Brien

Outfielder Tommy O'Brien filled in admirably as a backup for…

Tom O’Brien