Tributes for Michael K. Williams are pouring in from the sports world after his shocking death Monday morning ... with star athletes and pro teams honoring the late actor on social media.
Dwayne Johnson -- who worked with Williams in the 2013 film "Snitch" -- penned an emotional message on Instagram ... saying, "You’ll be missed, brother."
"A real pleasure to work with you and call you a friend. Strength, mana & love to your family during this very difficult and heartbreaking time. Go rest high.