HBP in 2018 most since 1800s. 12 most HBP seasons all this milenneum.

Hit By Pitch (HBP) frequency per game since 1903:
2018: .40
2001: .39
2003: .38
2004: .38
2006: .37
2005: .37
2007: .36
2002: .36
2017: .36
2008: .34
2006: .34
2004: .34
https://www.baseball-reference.com/leagues/MLB/bat.shtml

2018 pitchers with most HBP:

Hit By Pitch

1.	Hamels • 2TM	19
2.	Morton • HOU	16
	Porcello • BOS	16
4.	Junis • KCR	15
	Giolito • CHW	15
6.	Sale • BOS	14
7.	Berrios • MIN	13
8.	Scherzer • WSN	12
	Rodon • CHW	12
	Godley • ARI	12
	Hernandez • SEA	12
	Urena • MIA	12

https://www.baseball-reference.com/leagues/MLB/2018-pitching-leaders.shtml