The Mets purchased the contract of right-handed pitcher Carlton Willey from the Milwaukee Braves just prior to the 1963 season. He made his Met debut on April 11 when he pitched a scoreless inning of relief in the Mets 6-1 loss to the Milwaukee Braves. He then entered the Mets starting rotation and pitched a complete game shut out against the Chicago Cubs on April 24. He won his next two starts, also complete games, and pitched another shutout against the San Francisco Giants on May 18. He went on to appear in 30 games, 28 as a starter and finished 9-14 with a 3.10 ERA, the lowest on the team. He also led the team with 4 shutouts. On July 15 against the Houston Colt 45’s he not only was the winning pitcher he also hit a grand slam home run.
He started the 1964 season on the disabled list after suffering a broken jaw in spring training, He appeared in just 14 games for the season, 3 as a starter, and posted an 0-2 record with a 3.60 ERA.
Willy split the 1965 season between the minors and the Mets. He appeared in 13 games, mostly out of the bullpen and finished with a 1-2 record and 4.18 ERA. His only win came in his last appearance of the season and of his career, a complete game over the Philadelphia Phillies on September 25.
Willey retired finally the season. In three seasons for the Mets Willey appeared in 57 games and went 10-18 with a 3.29 ERA.
While with the Mets Willey wore number 28.
Carlton Willey also played for the Milwaukee Braves from 1958-1962.