1929 – At Pittsburgh, Pie Traynor is 5 for 5 to lead a 21-hit attack that sinks the Cubs, 15 – 0. It is the Pirates’ 4th win over the Cubs in three days.

1929 – At Pittsburgh, Pie Traynor is 5 for 5 to lead a 21-hit attack that sinks the Cubs, 15 – 0. It is the Pirates’ 4th win over the Cubs in three days.

 Rogers Hornsby has four hits and Sheriff Blake allows six to lead the Cubs to a 4 – 1 win over the Reds. Chicago now leads by 14 1/2 games, the greatest lead a National League team has enjoyed at this stage since the 1906 Cubs.

 Rogers Hornsby has four hits and Sheriff Blake allows six to lead the Cubs to a 4 – 1 win over the Reds. Chicago now leads by 14 1/2 games, the greatest lead a National League team has enjoyed at this stage since the 1906 Cubs.

1929 – Rogers Hornsby has four hits and Sheriff Blake allows six to lead the Cubs to a 4 – 1 win over the Reds. Chicago now leads by 14 1/2 games, the greatest lead a National League team has enjoyed at this stage since the 1906 Cubs.

Abraham Mills, National League president in 1883 and 1884, author of the National Agreement and original reserve clause that governed baseball’s early years, dies at 84.

Abraham Mills, National League president in 1883 and 1884, author of the National Agreement and original reserve clause that governed baseball’s early years, dies at 84.

In the 8th inning of a 5 – 5 game at Wrigley Field, Cubs 3B Norm McMillan hits a line drive down the LF line with the bases loaded. Reds LF Evar Swanson, shaded toward center, can’t find the ball, which he sees bounce off a gutter in foul territory. McMillan circles the bases and four runs score. Later, Cubs relief P Ken Penner picks up his jacket in the bullpen and discovers the ball in his right sleeve. It is Chicago’s 8th grand slam of the year.

In the 8th inning of a 5 – 5 game at Wrigley Field, Cubs 3B Norm McMillan hits a line drive down the LF line with the bases loaded. Reds LF Evar Swanson, shaded toward center, can’t find the ball, which he sees bounce off a gutter in foul territory. McMillan circles the bases and four runs score. Later, Cubs relief P Ken Penner picks up his jacket in the bullpen and discovers the ball in his right sleeve. It is Chicago’s 8th grand slam of the year.

The Giants become the first team to employ a public address system when they place a microphone inside the mask of connected home plate umpire Charles Rigler. The team’s effort to have the ump broadcast ball-and-strike calls to the Polo Grounds crowd doesn’t work very well.

The Giants become the first team to employ a public address system when they place a microphone inside the mask of connected home plate umpire Charles Rigler. The team’s effort to have the ump broadcast ball-and-strike calls to the Polo Grounds crowd doesn’t work very well.

The second-largest crowd ever to pack the Reds’ ballpark – 35,432 – watches their team split a pair with the pennant-bound Cubs. The Reds win the opener, 6 – 3, behind Red Lucas’ 17th victory, while Guy Bush wins his 18th in the nitecap, 10 – 1.

The second-largest crowd ever to pack the Reds’ ballpark – 35,432 – watches their team split a pair with the pennant-bound Cubs. The Reds win the opener, 6 – 3, behind Red Lucas’ 17th victory, while Guy Bush wins his 18th in the nitecap, 10 – 1.

After three straight shutouts by Browns hurlers, the Yankees break their 32-inning scoreless streak with a 4th-inning homer by Babe Ruth. St. Louis still wins, 3 – 2.

After three straight shutouts by Browns hurlers, the Yankees break their 32-inning scoreless streak with a 4th-inning homer by Babe Ruth. St. Louis still wins, 3 – 2.

1929 – Cubs 1B Charlie Grimm is sidelined for the rest of the regular season with a hand injury, but he’ll be okay for the World Series.

1929 – Cubs 1B Charlie Grimm is sidelined for the rest of the regular season with a hand injury, but he’ll be okay for the World Series.