Most home runs as batter in season with 10+ games pitched, AL/NL history:
2021 Shohei Ohtani: 29
1919 Babe Ruth: 29
2018 Shohei Ohtani: 22

https://twitter.com/SlangsOnSports/status/1411153837998620675

Most HR in ANY half (first or second) by an Angels player
Shohei Ohtani: 29 in 2021*
Mike Trout: 28 in 2019
Garret Anderson: 26 in 2000
Mike Trout: 26 in 2015
Albert Pujols: 26 in 2015

*Including tonight.
https://twitter.com/JayCat11/status/1411157603330187267
https://twitter.com/5chan_nel (5ch newer account)