On April 17, Ubaldo Jiménez pitched the first no-hitter in franchise history against the Atlanta Braves.

On September 18, 1897, Young pitched the first no-hitter of his career in a game against the Cincinnati Reds.

On May 11, Al Leiter pitched the first no-hitter in Marlins history.

In 1997, Brown threw a one-hitter against the Los Angeles Dodgers in his first appearance and a no-hitter against the San Francisco Giants.

Rookie Wilson pitched a no-hitter on June 18, the first pitched in team history.

On that day, Nieves became the first ( and so far, only ) Brewer and first Puerto Rican-born Major Leaguer to pitch a no-hitter, defeating the Baltimore Orioles 7 – 0 at Memorial Stadium.

Still Santana stayed in the game and with the help of a few great defensive plays as well as a controversial call of a foul ball, pulled off the first no-hitter in Mets history.

Halladay's no-hitter was the fifth time a pitcher has thrown two no-hitters in the same season, and was also the first time that one of the two occurred in the postseason.

Highlights included Johnson earning his 300th career victory, becoming the twenty-fourth pitcher in Major League history to do so, as well as struggling starter Jonathan Sánchez tossing a no-hitter against the San Diego Padres on July 10, the first Giants no-hitter since 1976.

On July 10, Jonathan Sánchez, spot starting in place of an injured Randy Johnson and on his first start upon returning to the starting rotation after a brief demotion to the bullpen, threw a no-hitter against the San Diego Padres.

Sánchez issued no walks ( the only runner reached on an error by third baseman Juan Uribe ) and struck out a career-high eleven hitters in the game, which was also his first major league complete game and shutout and the first no-hitter ever thrown at AT & T Park.

On April 23, 1964, in the top of the ninth inning of a scoreless game in Colt Stadium, Rose reached first base on an error and scored on another error to make Houston Astros Ken Johnson the first pitcher to lose a complete game no-hitter.

In his first major league start on April 24, 1991, Kile had a no-hitter going when he was lifted after six innings by manager Art Howe, who wanted to protect the 22-year-old rookie's arm.

Ryan joined Alvin Little League Baseball when he was nine, made the all-star team when he was 11 and 12, and pitched the first no-hitter of his life a few years later.

Bunning pitched his first no-hitter on July 20, 1958, for the Detroit Tigers against the Boston Red Sox.

* Earl Moore, pitcher for the Cleveland Indians and the first pitcher in the American League to throw a no-hitter on May 9, 1901.

On September 1, his first day back off the DL, Sweeney pinch-hit in the bottom of the 9th and hit a bloop base hit that broke up Minnesota Twins starting pitcher Scott Baker's no-hitter.

One important highlight of the first half of 1984 took place on May 4, when Jim Deshaies pitched the club ’ s first no-hitter against the Columbus Astros in the second game of a seven-inning doubleheader.

The no-hitter is the first for the Red Sox since 1923.

For several years, the National League and American Association champions met in a postseason championship series — the first attempt at a World Series.

The NLDS was first played in 1995 due to the cancellation of the 1994 postseason during another players ' strike.

However, after a 14-year stretch of consecutive losing seasons, the Orioles posted a winning record in 2012 and qualified for the postseason for the first time since 1997.

During Selig's tenure as club president, the Brewers participated in postseason play in 1981, when the team finished first in the American League East during the second half of the season, and in 1982, when the team made it to the World Series, under the leadership of future Hall of Famers Robin Yount and Paul Molitor.

The game between the Chicago Cubs and St. Louis Cardinals in particular was cited for putting Ryne Sandberg ( as well as the 1984 Cubs in general, who would go on to make their first postseason appearance since 1945 ) " on the map.

In what was a dramatic five game series, their NLDS victory over the Atlanta Braves was the franchise's first postseason series win since they went to the World Series in 1908, when they beat the Detroit Tigers in five games.

The Cubs successfully defended their National League Central title in 2008, going to the postseason in consecutive years for the first time since 1906 – 08.

The Rockies became the first team ever to sweep both the division series and league championship series in the same postseason.

Snow, making it the first postseason series ever to end with the potential tying run being thrown out at the plate.

The Astros won a wild card berth on the final day of the regular season, becoming the first team since the world champion 1914 Boston Braves to qualify for the postseason after being 15 games under. 500.

The move to Indianapolis, however, did not change the recent fortune of the Colts with the team appearing the postseason only once in the first eleven season in Indianapolis.

The Colts, however, did receive eventual Hall of Fame running back Eric Dickerson as a result of a trade during the 1987 season and would go onto compile a 9 – 6 record, good enough to win the AFC East and advance to the postseason for the first time in the franchise's history in Indianapolis, where they would eventually lose to the Cleveland Browns.

The Colts won their first postseason game as the Indianapolis Colts in 1995 and would go onto the AFC Championship Game against the Pittsburgh Steelers, coming Hail Mary pass reception away from a trip to the Super Bowl XXX.

The Jags postseason would end quickly as they fell in their first game, a 42 – 17 defeat against the eventual Super Bowl champion Denver Broncos at Mile High Stadium.

In 2008, the Brewers achieved their first postseason berth in the 26 years since their World Series appearance as the wildcard team in the National League.

The Brewers played their first postseason game in 26 years on October 1.

Pitcher Yovani Gallardo made his first postseason start and only his second start since coming off the disabled list in late September.

New Orleans also tied the NFL's postseason mark for team first downs in a game ( 34 ), and broke the record for total yards with 626, eclipsing the yardage record set 49 years ago.

Smith later participated in the postseason for the first time when the Cardinals faced the Atlanta Braves in the best-of-five 1982 National League Championship Series ( NLCS ).

In the postseason, the Cardinals first faced the San Diego Padres in the 1996 National League Division Series.

However, a hot start in the second half of the season put the Phillies back on the postseason hunt, though any hope was eventually extinguished with a loss to the Washington Nationals on September 28, thus the Phillies missed the postseason for the first time since 2006.

On October 9, 2005, Clemens made his first relief appearance since 1984, entering as a pinch hitter in the 15th, then pitching three innings to help the Astros defeat the Atlanta Braves in the longest postseason game in MLB history.