In the start before his perfect game, Don Larsen was knocked out by the Dodgers in the 2nd inning of game 2 at Ebbets Field. He allowed 4 runs in 1 2/3rd innings (none were earned); Don Newcombe also got knocked out of the game early, but the Dodgers won, 13-8. Don Bessent, who you probably don’t know of, threw 7 innings in relief for the win.
Larsen’s perfect game was in game 5; Johnny Kucks allowed 3 hits in a complete game shutout of the Dodgers to win game 7. In game 6, the Dodgers had 4 hits, for a total of 7 hits in their last three games of the Series, which is probably a record low for three straight games in the Series. But, their 4th hit in game 6 won the game. It was a single in the bottom of the 10th by Jackie Robinson. All told, Brooklyn hit .195 in the ’56 Series.
Also, Larsen had gone 3-21 for the Orioles in 1954, leading the AL in losses. He then went 1-10 for the A’s in 1960, but ended his career with an 81-91 record. That perfect game kept Larsen on the Hall of Fame ballot from 1974 through 1988: he peaked at 12.1% of the vote in 1976. Finally, it’s worth mentioning that Larsen went 144-596 as a batter in his MLB career, including two years of above .300 batting averages.