Pedro is signed by the Los Angeles Dodgers as an amateur free agent.

Pedro makes his big league debut with the LA Dodgers against the Cincinnati Reds, pitching two scoreless innings in relief.

Pedro starts his first MLB game for the Dodgers. He gives up two runs in a 3-1 loss to the Cincinnati Reds.

Pedro is traded by the Los Angeles Dodgers to the Montreal Expos for second baseman Delino DeShields.

Pitching for Montreal against the San Diego Padres, Pedro retires the first 27 hitters he faces. The game remains tied at 0-0 before Montreal wins 1-0 in extra innings.

Pedro is the first right-handed pitcher to reach 300 strikeouts with an ERA under 2.00 since Walter Johnson in 1912.

Pedro wins the 1997 National League Cy Young Award while with the Montreal Expos. He posts a record of 17–8 with 0 saves, an ERA of 1.9 and 305 strikeouts.

Pedro joins the Boston Red Sox after being traded by Montreal for pitchers Tony Armas and Carl Pavano.

Pedro’s opening day with Boston. He pitches seven innings, three hits, no earned runs, and 11 strikeouts with two walks.

Pedro takes over the cover Sports Illustrated for the first time.

Pedro wins the All Star MVP for the American League while with the Boston Red Sox.

Pedro pitches a 17-strikeout one-hitter at Yankee Stadium in one of his most dominant games ever.

Pedro notches his 300th strikeout of ’99 season.

Pedro Martinez leads the Boston Red Sox to victory in the epic Game 5 of the 1999 American League Division Series game.

Pedro wins his second Cy Young Award, this time while with the Boston Red Sox. He posts a record of 23–4 with 0 saves, an ERA of 2.07 and 313 strikeouts.

Pedro wins the pitching Triple Crown award (leading a league in wins, strikeouts, and earned run average) with 23 wins, 303 strikeouts and an ERA of 2.07.

Pedro wins his first Best Major League Baseball Player ESPY (Excellence in Sports Performance Yearly) Award.

Pedro takes over the cover Sports Illustrated for the second time.

Pedro wins his third American League Cy Young Award, his second while with the Boston Red Sox. He posts a record of 18–6 with 0 saves, an ERA of 1.74 and 284 strikeouts.

Pedro wins his second Best Major League Baseball Player ESPY (Excellence in Sports Performance Yearly) Award.

Pedro becomes only the tenth Major League pitcher in history to win at least 100 games in both the National and American baseball leagues.

Pedro takes over the cover Sports Illustrated for the third time.

Pedro leads the Boston Red Sox to their first world series win since 1918.

Pedro is granted free agency after finishing his Red Sox career with a 117-37 record-the highest winning percentage any pitcher has had with any team in baseball history.

Pedro is on the cover of Sports Illustrated for the fourth time, celebrating the World Series win with teammates Johnny Damon, David Ortiz, and Curt Schilling.

Pedro signs as a Free Agent with the New York Mets.

Pedro collects his 3000th career strikeout when he retires Aaron Harang, becoming the 15th man in Major League history to strike out 3,000 batters. Pedro also joined Nolan Ryan and Randy Johnson to become the third 3,000-strikeout pitcher to have more strikeouts than innings pitched, and is also the first Latin American pitcher to have 3,000 strikeouts.

Pedro signs as a Free Agent with the Philadelphia Phillies.

Pedro becomes the 10th pitcher in history to win at least 100 games in each league.

Philadelphia won each of Martínez’s first seven starts, the first time in franchise history that this had occurred with any debuting Phillies pitcher.

Pedro officially announces his retirement.

Derek Jeter reveals that Pedro was the toughest pitcher he ever faced.

Pedro’s number is officially retired in the Boston Red Sox ball club.

Pedro is the second player from the Dominican Republic ever to be inducted into the US Baseball Hall of Fame.

Pedro is celebrated as one of 25 premiere athletes who made the greatest mark on this quarter-century to commemorate the 25th year of The ESPYS.

Pedro is inducted into the Canadian Baseball Hall of Fame for his time with the Montreal Expos – the place where his major league career took off.