In Southern California, three Marines were stabbed early Sunday while trying to break up a fight between Dodger and Angels fans.
You may remember, it was three years ago on opening day, Giants fan Bryan Stow was critically beaten by rival Dodgers fans.
"When we heard the story about Bryan Stow it was like I got kicked in the stomach," Giants third-base coach Tim Flannery said. That incident has left quite an impact on Flannery. He posted a video on YouTube to remind fans about that attack and how it has left Stow severely handicapped.
Flannery wants fans to be safe as they cheer on their favorite team this season.
His band has raised more than $200,000 to help the Stow family.