Since 1900, Nolan Ryan has struck out the most batters in a season, with 383 strikeouts in 1973.

Trevor Bauer had a record of 6-9 with an ERA of 4.36 and 139 strikeouts in 22 appearances against the Twins in his career.

Dallas Keuchel gave up his most earned runs in a game against the Rangers on September 16, 2015, with 9 earned runs.

Michael Wacha had a 7-7 record with an ERA of 5.09 and 114 strikeouts in 27 appearances in 2016.

Sandy Koufax had an ERA of 1.88 when striking out 300+ batters in 1963.

Tommy Bond had an ERA of 1.68 with an FIP better than 2.00 in his rookie season in 1876.

John Smoltz fanned 37 batters in his rookie season in 1988.

Jacob deGrom has the best ERA- with 10+ starts in a season, with an ERA- of 27 in 2021.

Since 1961, Nolan Ryan has struck out the most batters in a season, with 383 strikeouts in 1973.

Since 1961, Nolan Ryan has given up the most walks in a season, with 204 allowed in 1977.

Dwight Gooden had a 1.68 FIP for the Mets in his rookie season in 1984.

Dwight Gooden had an ERA- of 74 for the Mets in his rookie season in 1984.

Matt Kilroy has struck out the most hitters by a rookie, with 513 strikeouts in 1886.

Matt Kilroy struck out the most hitters by a pitcher in his first season, with 513 strikeouts in his rookie season.

Dwight Gooden fanned 276 batters in his rookie season in 1984.