ESPN

	Giambi said he "didn?t actually notice a huge difference."

New York Yankees star Jason Giambi told a federal grand jury that he injected himself with steroids and human growth hormone during the 2003 season and had begun using steroids earlier in his baseball career.

For many baseball fans, this comes as no surprise. To others, it is a devastating admission. Either way, it will change the game forever.

What is your reaction to Giambi's admission? What effect will this have on the future of Major League Baseball? How should commissioner Bud Selig react?

Send your thoughts now and we will publish some of your letters throughout the night and into Thursday morning.