Black players from the Mariners and Angels locked arms in the field during the national anthem.
Players joining them included Mike Trout, Anthony Rendon and David Fletcher.
"The most difficult part is to see people still don't care. ... Being a Black man in America, it's not easy."
The Mets' Dominic Smith with a powerful postgame press conference after Wednesday's game.
There are serious issues in this country. For me, and for many of my teammates, the injustices, violence, death and systemic racism is deeply personal. This is impacting not only my community, but very directly my family and friends. Our team voted unanimously not to play tonight