- Jan 1 2nd Rose Bowl, Tournament Park, Pasadena, California: Washington State beats Brown, 14-0; MVP: Carl Dietz, Washington State
- Jan 17 Rodman Wanamaker organises a lunch to discuss forming a golfers association (later the PGA) at the Taplow Club, Martinique Hotel, New York City
- Feb 9 NL votes down a proposal by Giants, Braves, & Cubs to increase club player limit from 21 to 22 (The Reds want to decrease to 20)
- Feb 15 NY Yankees buy Frank "Home Run" Baker from the Athletics for $37,500
- Mar 25 Jess Willard fights Frank Moran to no decision in 10 for heavyweight boxing title in NYC
- Mar 30 Stanley Cup Final, Montreal Arena, Westmount, Quebec: Montreal Canadiens (NHA) beat Portland Rosebuds (PCHA), 2-1 for a 3-2 series victory
- Apr 10 The Professional Golfers Association of America (PGA) is founded in New York City
- Apr 17 20th Boston Marathon won by Arthur Roth in 2:27:16.4
- Apr 20 Chicago Cubs play their 1st game at Weeghman Park (now Wrigley Field) and beat the Cincinnati Reds 7-6
- May 13 42nd Kentucky Derby: Johnny Loftus aboard George Smith wins in 2:04
- May 16 41st Preakness Stakes: Hall of Fame jockey Linus McAtee aboard the J.K.L. Ross owned Damrosch wins in 1:54.80
- May 29 NY Giants win 17th consecutive road game
- May 30 Indianapolis 500: Dario Resta accompanied by riding mechanic Bob Dahnke lead 103 of 120 laps to claim victory; only Indy 500 scheduled for less than 500 miles (300)
- Jun 10 48th Belmont: E Haynes aboard Friar Rock wins in 2:22
- Jun 12 US National Championship Women's Tennis, Forest Hills, NY: Defending champion Molla Bjurstedt outclasses Louise Hammond Raymond 6-0, 6-1
- Jun 16 MLB Boston Brave's pitcher Tom Hughes no-hitter beats Pittsburgh, 2-0; at the time it is his 2nd career no-hitter, but a 1991 rule change wiped his 1910 effort [1]
US Men's Open
Jun 30 US Open Men's Golf, Minikahda GC: Amateur Chick Evans leads wire-to-wire to set new Open scoring record and win his only Open title, 2 strokes ahead of runner-up Jock Hutchison
Wagner's Record Home Run
Jul 1 Pittsburgh shortstop Honus Wagner, at 42 and 4 months, connects at Cincinnati to become the oldest to hit an inside-the-park HR; Pirates beat Reds, 2-1
- Jul 14 St Louis Brown Ernie Koob pitches all 17 innings for 14 hits in a 0-0 tie vs Boston Red Sox at Fenway Park
- Jul 20 NY Giants trade future Baseball HOF pitcher Christy Mathewson to Cincinnati Reds
- Sep 4 Future Baseball Hall of Fame pitchers Christy Mathewson & Mordecai Brown face each other for a final time; after 25 contests Mathewson takes a 13-12 advantage with Reds 10-8 winners over Cubs
US Men's Tennis Open
Sep 5 US National Championship Men's Tennis: R. Norris Williams beats Bill Johnston 4-6, 6-4, 0-6, 6-2, 6-4 for his 2nd and final US singles crown
- Sep 14 Christy Mathewson pitches & wins his final game
- Sep 30 Giants lose to Braves 8-3, ends 26 consecutive win streak
- Oct 2 Pitching in his 3rd start in 5 days, Philadelphia Phillies right hander Grover Cleveland Alexander records his 20th century MLB record 16th shutout of year, a 2-0 win v Boston Braves
Georgia Tech Crushes Cumberland 222-0
Oct 7 Georgia Tech, coached by John Heisman, defeats Cumberland, 222-0; most lopsided score in the history of US college football
PGA Championship
Oct 14 1st PGA Championship Men's Golf, Siwanoy CC, Bronxville, NY: Englishman Jim Barnes defeats Jock Hutchison by 1 hole in the 36-hole final
- Nov 1 Broadway theatre owner and producer Harry H. Frazee and Hugh Ward buy MLB club the Boston Red Sox for approximately $700,000 from Joseph Lannin
- Dec 2 National Baseball Commission orders that injured players get full pay for duration of their contracts; injury clause previously let clubs suspend players after 15 days' pay
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions