» July 22, 1902: Jack Pfiester beats Doc Scanlan to give Chicago (National League) a 6–3 win over Brooklyn.
» May 30, 1906: Chicago Cubs pitcher Jack Pfiester fans 17 Cardinals, but loses, 4-2, in 15 innings at St. Louis. Chicago also loses the nitecap, 6-1, to Carl Druhot.
» June 7, 1906: The Cubs, now in first place again, score 11 runs in the first inning off Christy Mathewson and Joe McGinnity en route to a 19-0 cakewalk in New York. Matty gives up six walks and Iron Joe leaves after the 2nd inning. Jack Pfiester allows just three hits as he coasts to the win, the worst beating in Giants history.
» October 4, 1906: The Cubs score their record 116th win of the year, beating the Pirates 4-0 in Pittsburgh. The winner is Jack Pfiester, who notches his 20th victory. The win gives Chicago a 60-15 road record, an .800 percentage mark that has never been equaled.
» October 11, 1906: Pitching continues to dominate as Ed Walsh stops the Cubs on two hits. The Sox manage just four off Jack Pfiester, but one is a triple by George Rohe, with three on in the 6th, for a 3-0 win. Walsh fans 12, the record until 1929.
» August 17, 1907:
A matchup of Three Finger Brown and Christy Mathewson attracts a crowd of 20,000 at the Polo Grounds. Matty is unhittable for eight innings, with only a bunt single for the Cubs. But Chicago scores two in the 9th to tie as reliever Jack Pfiester matches Matty for the last three innings. Johnny Kling wins it, 3-2, for the Cubs in the 12th with a drive into the LF bleachers.
» October 9, 1907: In game 2, the Tigers score just once against Chicago’s Jack Pfiester and lose 3–1. They will not score more than once in any of the remaining games in the WS. The Tigers take advantage of the aggressive baserunning of Jimmy Slagle by nabbing him in the first inning with a hidden ball trick, the only one in WS history. Yesterday, Slagle had two steals and was caught stealing once. The play goes Germany Schaefer to Bill Coughlin (according to Bill Deane). Slagle redeems himself in the 4th by driving in the go-ahead run and then scoring on Jimmy Sheckard's double.
» May 31, 1908: Jack Pfiester pitches the Cubs to a 6-3 win over the Pirates, but Pittsburgh will win the next three games with Chicago by blitzing 33 runs. The Pirates will win the finale, 13-3, when Honus Wagner connects for a homer and two doubles to drive in six runs.
» October 8, 1908: According to published reports, nearly 250,000 fans show up at the Polo Grounds to watch the disputed replay of the September 23 game between the Cubs and Giants. The gates were closed at 1:30 for the 3:00 game, but still fans tried to storm the gates. Fireman with high pressure hoses knocked down fans who tried to scale the walls. Nearly 40,000 fans watched from Coogan's Bluff, telephone poles and other vantage points. Two fans are killed when they fall from a pillar on the elevated subway platform. Later admitting he had nothing on the ball, Christy Mathewson loses, 4–2, to the Cubs, giving way to Hooks Wiltse in the 8th.: Three Finger Brown, relieving Jack Pfiester in the first, gets the win. The Giants played to a record 910,000 in attendance for the year, a figure that will be unmatched until 1920.
» October 12, 1908: Tiger bats roar for the last time, as Jack Pfiester proves an easy target, 8–3. Ty Cobb is 4-for-5.
» May 30, 1909: The Pirates come from behind to beat Chicago, 5-4 in the first game of a DH. In the nitecap, Honus Wagner breaks up a 2-2 tie with a 9th inning double off Jack Pfiester and the Pirates prevail, 4-2. Pittsburgh now leads the Cubs by two games, and will not lose for another 13 games.