“He's just got a great head on his shoulders. He's humble and confident at the same time. He's willing to learn.”
—Former teammate Mike Matheny

"Haren is a great pitcher and he deserves to be where he's at.”
—Home run king Barry Bonds

“I didn't realize what an intense competitor he is and what a big-game pitcher he is. The better the opponent, the tougher the game, the more excited he is about pitching.”
—Former Diamondbacks manager Bob Melvin

“In my opinion, he's the best pitcher in baseball.”
—A’s manager Bob Geren

"It's neat to watch guys who can just pick up a baseball and have such raw talent to go out there and compete. For me, it was tough. I had to make adjustments at every level. He goes out there and makes it look so easy. He's always done that.”
—Former teammate Noah Lowry

"He comes right after you, he uses his fastball a lot. That's his game plan.”
—Former teammate Adam Melheuse

"Half of the time I don't need to tell him anything ... he acts like he's got 15 years in.”
—Veteran catcher Jason Kendall

“I think his ability to throw any pitch in any count for a strike is the difference.”
—Former All-Star Richie Sexson

“He doesn't show anybody up when he competes. That's important from the other side, that you don't have a guy that's out there being cocky. You get a lot of guys coming up thinking they've got the game licked. He's not like that.”
—Sexson

"Danny had tremendous leadership ability...the guys would just surround him and fed off his competitive nature.”
—Dan’s coach at Pepperdine Steve Rodriguez