Chris Adler will not be joining Lamb Of God on the second leg of Slayer's farewell tour due to "unforseen circumstances." Art Cruz (Prong, Winds Of Plague) will be filling in.

1/2: Due to unforeseen circumstances, we regret to inform you that Chris Adler will not be performing on our upcoming North American tour with Slayer. In his absence, we would like to welcome Art Cruz, who will be filling in at the recommendation of Chris. We expect to see
— Lamb Of God (@lambofgod) July 26, 2018

2/2: Chris returning in the very near future. We will see you all on the road soon.
— Lamb Of God (@lambofgod) July 26, 2018

Chris Adler To Miss Lamb Of God's Upcoming Touring