12,745 Mets fans came to Shea Stadium to see Tom Seaver take the mound, as manager Wes Westrum's eighth place Mets (8-13) took on Grady Hatton's tenth place Houston Astros (7-15). Seaver's opponent that day was Dave Giusti.
The Mets jumped on the board first, as Jerry Buchek & Tommy Reynolds singled with one out in the 2nd inning. Jerry Grote then got aboard on an error by second baseman; Joe Morgan, as Buchek scored. With two outs, Harrelson singled to right field scoring Reynolds.
In the 4th inning, the Astros tied it up, as a young Rusty Staub hit a two run HR off his future teammate & friend, Tom Seaver.
The game stayed that way until the 9th inning, when second baseman; Jerry Buchek led off against reliever Claude Raymond.
Buchek blasted a walk off solo HR, giving Seaver & the Mets a victory. Buchek was the main second baseman that season & would hit a career high 14 HRs, second most on the '67 Mets team.
Tom Seaver earned his third career win (3-1) in just his fifth ever start. He struck out five on this night, walking three. Seaver had 25 Ks in 37.2 innings up to that point.