The announcement comes after the MLB issued a warning to pitchers Landon Roupp, JT Brubaker, and Ryan Walker, who were seen writing verses from Genesis 9:12-16 on their rainbow-themed caps. The passage refers to the rainbow as a symbol of God's covenant with all living creatures.
MORE: SF Giants players draw backlash after writing Bible verses on Pride Night caps
A DOJ letter to the MLB commissioner says this may be a violation of the players' religious rights -- calling on the Equal Employment Opportunity Commission to investigate.
The MLB and the Giants have not commented on this latest action.