Sunday May 2nd 1880
Philadelphia 11 Baltimore 0
Lee Richmond wins 10th. Tom Burns has perfect 4-4 game. Dan Brouthers scores three times.
Red-Hot Richmond Cools off Baltimore
Sunday, May 2nd, 1880: In an impressive mound performance, Lee Richmond of the Philadelphia Athletics checked the Baltimore Orioles on a 3-hitter and held them scoreless.
Tuesday May 4th 1880
Baltimore 5 Philadelphia 4
Fred McCarton's two run home run lifts Orioles over Athletics.
Blong Fires Shutout in Atlantics Win
Tuesday, May 4th, 1880: Magic was in the air and on the mound at Bank Street Grounds today as Joe Blong held Cincinnati spellbound in his 8-0 shutout victory. The Brooklyn pitcher went the route, ran up 5 strikeouts, walked 0 and held the Reds to 3 hits to garner the win.
Philadelphia at St Louis
Thursday May 6th 1880
St Louis 9 Philadelphia 2
George Wright and Buck Ewing drive in two. Denny Sullivan hits his first home run of the season.
Cummings Sparkles, Blanks Baltimore
Thursday, May 6th, 1880: Candy Cummings of the Cleveland Blues mixed his pitches well and fashioned a 1-0 shutout today. The 31-year-old hurler shut down the Baltimore offense, holding them to 6 hits. He struck out 0 while walking 0.
Sunday May 9th 1880
Philadelphia 3 St Louis 2
Richmond out pitches Larry Corcoran. Allowing seven hits and Aaron Clapp goes 2-4.
Wednesday May 12th 1880
St Louis 4 Philadelphia 1
Buttercup Dickerson and Joe Quest drive in a run. John Ward three hits Athletics.
Cleveland at Philadelphia
Friday May 14th 1880
Philadelphia 8 Cleveland 2
Charlie Eden goes 4-4 and Aaron Clapp 3-4.
Saturday May 15th 1880
Philadelphia 3 Cleveland 2
Athletics makes use of four hits. Lee Richmond wins his 12th of the season.
Sunday May 16th 1880
Cleveland 6 Philadelphia 5 (11)
Blue slip past Athletics on four run 11th. Three runs scored on three errors. Athletics score three runs lead by Ross Barnes 2 run double.
Philadelphia at Baltimore
Monday May 17th 1880
Philadelphia 6 Baltimore 5 (11)
Terry Connell has a 2-5, 2 RBI day. Joe Sommer doubles in Charlie Eden in the 11th for the win.
Wednesday May 19th 1880
Baltimore 10 Philadelphia 2
Jim O'Rourke goes 3-4 and Orioles score five in the 8th.
Curry Foley Blanks St. Louis
Wednesday, May 19th, 1880: The strong arm of Curry Foley dealt a lot of misery to the Brown Stockings. He tossed a complete-game shutout to spark the Cleveland Blues to a 5-0 win. In today's contest at Sportsman's Park I, Foley limited St. Louis to 5 hits and had 1 strikeout and no walks.
Sunday May 23rd 1880.
Philadelphia 18 Baltimore 3
Tom Burns drives in three runs with a 4-6 outing. Dan Brouthers hits his second home run with a solo shot in the 8th off former Athletics Al Pratt. Aaron Clapp and Levi Meyerle added a 4-5 day.
St Louis at Philadelphia
Tuesday May 25th 1880
St Louis 12 Philadelphia 2
12 Athletics errors aid Brown Stockings win. Buck Ewing scores four times.
Weaver at His Best, Whips Reds
Tuesday, May 25th, 1880: Lake Front Park I played host to a command performance by Sam Weaver of the Chicago White Stockings. In shutting out Cincinnati 1-0, Weaver limited the Reds to 4 hits. The 24-year-old hurler also fanned 5 and walked 0 in capturing the victory.
Thursday May 27th 1880
Philadelphia 5 St Louis 4
Tom Burns drives in two with a two run triple as Athletics win again.
Friday May 28th 1880
St Louis 6 Philadelphia 4
Three run ninth lifts Brown Stockings over Athletics. Pitcher John Ward goes 3-4.
Philadelphia at Cleveland
Monday May 31st 1880
Philadelphia 9 Cleveland 4
Athletics scores six times in the top of the ninth. Dan Brouthers hits his third home run of the season.
Standings
| American League Standings |
| W | L | PCT | GB |
| Philadelphia Athletics | 19 | 9 | .679 | - |
| St. Louis Brown Stockings | 16 | 12 | .571 | 3.0 |
| Baltimore Orioles | 12 | 16 | .429 | 7.0 |
| Cleveland Blues | 9 | 19 | .321 | 10.0 |
| National League Standings |
| W | L | PCT | GB |
| Brooklyn Atlantics | 17 | 10 | .630 | - |
| Cincinnati Reds | 13 | 14 | .481 | 4.0 |
| Chicago White Stockings | 12 | 15 | .444 | 5.0 |
| Boston Red Caps | 12 | 15 | .444 | 5.0 |
Lee Richmond is named Pitcher and Newcomer of the Month for May.

