» September 3, 1905: Pittsburgh's Deacon Phillippe and Chicago's Bob Wicker hook up in an 10-inning scoreless duel, each allowing just three hits, before Chicago pushes across a run to win. In the nitecap, Lefty Leifield makes his ML debut and fires a 1-0 win over Chicago in a game stopped after six innings.
» May 18, 1906: Christy Mathewson, weakened from a bout of diphtheria, is pounded for 14 hits by the Pirates and loses, 7-6. Honus Wagner paces the attack with two singles and a triple and also picks off Bill Dahlen off 2B in the 9th inning with the hidden ball trick. Dahlen, intently watching Lefty Leifield on the mound, misses Wagner who gently touches him with the ball. John McGraw is so furious with Dahlen that he slaps him with a $100 fine, later rescinded. The Pirates have now won three in a row from New York.
» July 4, 1906: The visiting Cubs and Pirates deal aces today with Chicago coming out on top in both games. Three Finger Brown beats Lefty Leifield, 1-0 in the lid lifter with both pitchers allowing just one hit. It is just the 2nd double one-hitter in history, the first occurring on August 20, 1886. Lefty collects the only Buc shot while holding Chicago hitless until Jimmy Slagle's safety in the 9th inning. Slagle scores on a sacrifice, error, and ground out. Brown will toss nine shutouts this year. In the 2nd game, Carl Lundgren tosses another 1-0 shutout for Chicago, beating Vic Willis. When Brown and Leifield face off on September 6, Brown will again allow just one hit.
» August 1, 1906: Brooklyn's Harry McIntire tosses a no-hitter through nine innings before Claude Ritchey singles in the 10th. McIntire allows no more hits through 12 innings, but he is matched by Pirates P Lefty Leifield, who scatters nine hits through 12 innings. McIntire, who faced 31 batters through the first ten innings, finally weakens in the 13th and allows three hits and a run to lose, 1-0.
» August 9, 1906:
The Giants stop the Pirates, 6-0, with Christy Mathewson and George Ferguson combining for the shutout. Lefty Leifield takes the loss.
» August 13, 1906:
The host Giants sweep the Pirates, winning 6-1 and 2-1. Hooks Wiltse is the winner in the opener, while Mathewson matches him in the nitecap. Spike Shannon's 9th inning single off Lefty Leifield brings home the game-winner in the 2nd game.
» September 6, 1906:
At Chicago, Mordecai Brown, who threw a one-hitter at Pittsburgh on July 4th, does it again in beating Lefty Leifield, 2-0. The only hit is Tommy Sheehan's 5th inning safety.
» September 26, 1906:
In the 2nd shortened no-hitter in three days, Lefty Leifield of Pittsburgh hurls a 6-inning no-hitter against Philadelphia, winning 8-0. Pittsburgh wins by a shutout in the first game as well.
» May 8, 1907:
Christy Mathewson tosses his 2nd straight shut out, stopping the visiting Pirates, 4-0, on four hits. Lefty Leifield takes the loss. First-place New York has now won 10 in a row and holds a slim lead over Chicago.
» May 17, 1907: Pirates P Lefty Leifield's shutout over Brooklyn is preserved by a great catch by RF Goat Anderson. Leifield wins 1-0.
» June 14, 1907:
At Pittsburgh, Christy Mathewson is hit in the stomach by a Lefty Leifield pitch in the 9th, but the two battle until the 12th when the Pirates push over the winning run. Pittsburgh wins, 2-1.
» July 25, 1908:
Before an overflow crowd of 30,000 in New York, the Pirates Lefty Leifield tops the Giants and Christy Mathewson, 7–2. The loss drops New York to 3rd place. Two errors by Larry Doyle—he'll add another—in the 7th open the gates for five Pirate runs. Pittsburgh is lead by Honus Wagner who goes 5-for-5 to take over the batting lead from a hitless Mike Donlin. After each hit, Wagner holds up a finger to show the number of safeties to the RF Donlin.
» August 24, 1908: The Giants gain the NL lead by winning two at Pittsburgh, after first refusing to play a doubleheader. John McGraw protests that only one game was scheduled and he was not given 24 hours notice about the 2nd match. But after polling the players, he relents. Hooks Wiltse then tops Vic Willis, 4-1 and Christy Mathewson beats Lefty Leifield, 5-1. Willis tires in the 8th, giving up a 2-run triple to Roger Bresnahan, followed by a Mike Donlin homer. In the nitecap, Donlin and Larry Doyle each drive home a pair. The doubleheader is watched in New York on electric diamonds known as "Compton's Baseball Bulletin" at Madison Square Garden and the Gotham Theatre. Bulletins will display all remaining games.
» September 19, 1908:
More than 30,000 fans in New York watch the Pirates snap a 2-2 tie in the 10th by scoring four runs.. Lefty Leifield picks up the win for Pittsburgh.
» September 23, 1908:
The Pirates win their 7th victory in 10 games by topping Brooklyn 2-1 behind Lefty Leifield. Kaiser Wilhelm takes the loss. Pittsburgh is now a game in back of first place.
» October 2, 1908:
The Pirates take over first by a half game by sweeping the Cardinals in St; Louis. Lefty Leifield wins the opener 7–4 and Howie Camnitz wins the nitecap 2–1 on homers by Honus Wagner and George Gibson. Only two points separate New York, Chicago, and Pittsburgh, as each team takes a turn on top during the final week.
» June 16, 1909: New York's Christy Mathewson capsizes the Pirates, 8-2, ending Pittsburgh's 14-game win streak. The Pirates garner 10 hits off Matty, Lefty Leifield is peppered by the Giants.
» June 29, 1909:
Playing their last game in Exposition Park, the Pirates score four runs in the first inning off Mordecai Brown and sail to an 8-1 win over Chicago. Lefty Leifield is the winner. Tomorrow, the Pirates will move to Forbes Field, named after British General John Forbes, who captured Ft. Duquesne during the French and Indian Wars.
» October 12, 1909: George Mullin's 5-hitter, 5-0 victory evens the Series again, as Ty Cobb drives in two runs with a double. Mullin strikes out 10 batters, as Lefty Leifield takes the loss. Lefty is not helped by six Buc errors.
» June 15, 1910: Christy Mathewson outpitches Lefty Leifield to turn back the Pirates, 5–1.
» August 15, 1910: In the battle for 2nd place in the NL, the Pirates and Giants split two, each by 2–1 scores. In the opener, Lefty Leifield and Christy Mathewson match goose eggs for 10 innings, before the Pirates push across two runs on a 2-run double by Fred Clarke. The Giants score in the bottom of the 11th but come up short.
» September 16, 1910: Christy Mathewson stops the Bucs on five hits, as the Giants top Pittsburgh 3–1 to move a half-game behind the 2nd place Pirates. Al Leifield takes the loss.
» June 9, 1911:
At Forbes Field, the Giants keep their hold on 1st place with a 6–3 win against Pittsburgh's Lefty Leifield. Christy Mathewson is the winner.
» May 22, 1912:
In an attempt to shake up the team, the Pirates send veteran Tommy Leach and pitcher Lefty Leifield to Chicago for 29-year-old Solly Hofman and pitcher King Cole. Cole, 40–13 in 2+ years of pitching, will be a no show, eventually pitching in just 17 games for Pittsburgh before ending his career with the Highlanders.
» June 9, 1913: In Chicago, The Giants score six runs in the 3rd inning, against Lou Richie and Lefty Leifield, and roll to an 11–3 win. Christy Mathewson goes eight innings before Jim Thorpe pinch hits for him.