Warren Spahn had his lowest ERA in a season in 1953, with an ERA of 2.10.

Pedro Martinez has the most runs above average with 20+ starts in a season, with 79.4 in 1999.

The Philadelphia Phillies won 59 times in 1972.

The Kansas City Royals launched their most home runs in a game on July 27, 2020, on May 21, 2003 and on July 14, 1991, with 6 homers.

Warren Spahn had his best ERA in a season in 1953, with an ERA of 2.10.

Randy Johnson struck out his most batters in a game against the Reds on May 8, 2001, with 20 strikeouts.

Randy Johnson struck out his most batters in a game versus the Reds on May 8, 2001, with 20 strikeouts.

Jose Bautista and James Loney are tied for the most career extra-base hits against Dellin Betances, with 3 XBH.

Sandy Koufax had his lowest ERA in a season in 1966, with an ERA of 1.73.

Jose Bautista and James Loney are tied for the most career hits against Dellin Betances, with 5 hits.

Dellin Betances allowed his most extra-base hits in a game 5 times, with 2 XBH.

Jose Bautista and James Loney are tied for the most career extra-base hits against Dellin Betances, with 3 XBH.

highest era in a season by a league since 1931

Denny McLain was 24.8 runs better than average in 1968.

Vida Blue was 41.4 runs better than average in 1971.