Who is John O'Brien? John O'Brien was a Major League baseball Player (MLB) who made his MLB debut in 1891-04-22. Welcome to the John O'Brien biography by Sportspool.com Baseball database. John O'Brien was an Major League Baseball Player who was born on July 14, 1870. John was a Player who was nicknamed Chewing Gum. John O'Brien was born as John J.. John O'Brien wieght: 175 lbs. MLB baseball player, John O'Brien passed away on 5 / 13 / 1913 in ME, Lewiston, USA
Currently we are featuring John O'Brien MLB statistical data. Below you will find the overall record for John O'Brien from the teams he managed, the number of games he worked, his winning percentage, the number of wins, the total number of losses and other personal data. An MLB Player controls all matters of team strategy on the field and team leadership, he sets the line-up and starting pitcher before each game as well as making substitutions throughout the game. There have been many Players over the years that we do not list as they were not the team Player. Enjoy the John O'Brien MLB historical data provided below.
MLB Baseball Player Profile for John O'Brien
Also known as John J. (Chewing Gum)