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06/06/12 7:03 PM ET

Lasorda leaves New York hospital

PHILADELPHIA -- Tommy Lasorda was released from a New York hospital Thursday morning, three days after suffering a mild heart attack.

On Wednesday, current manager Don Mattingly's health update began with the Hall of Famer.

"I talked to Tommy a little while ago, and he's doing good, sounds good," Mattingly said of the 84-year-old Lasorda, who remains hospitalized in New York after suffering a mild heart attack Monday night. "He said to tell everybody hello. He'll be in [the hospital] one more day, then he's headed home."

Mattingly said he appreciates the support Lasorda has given him since he arrived five seasons ago from New York.

"He's been great, always supportive since I came to L.A.," Mattingly said. "He told me I'm a Dodger now, that was good. Like I got knighted by Tommy, that was cool. He's always been there for me.

"You worry about him. He's getting up in age and he's so active, he doesn't slow down. This does take you back for a second. But you talk to him today and wouldn't know anything's wrong. He said we're playing great, winning a couple in a row. He's right on it."

Dodgers pick Valentin confident in his abilities

PHILADELPHIA -- The Dodgers couldn't get first-round pick Corey Seager (No. 18 overall) on the phone for reporters, but they subbed in supplemental pick Jesmuel Valentin, who was drafted 50 picks after high school teammate and top overall pick Carlos Correa, who was drafted by the Astros.

That Puerto Rico Baseball Academy and High School team must have been some powerhouse, as the son of former Dodger Jose Valentin didn't hesitate when asked if he was better than Correa.

2012 Draft Central

"Definitely, I know I can do a lot better things than him," said Valentin, a shortstop who moved to second base so Correa could play short in high school.

"I don't care if he was the first selection. I'm more physical and more mentally ready to play. That's not saying he's a bad player. He's really good. He was selected where he was supposed to. But I know I can do a better job, too."

No wonder assistant general manager Logan White said this was his best Draft in years.

Jose Valentin had a 16-year Major League career, including one injury-marred season with the Dodgers. Is son better than father?

"I hope he's better. I would like to see that," said Jose. "At that age, he's way better than I was. When I was 17, I was 160 pounds wet. He's played more baseball against better competition. He's more ready than I was and he's got confidence in himself. He's not afraid of tough challenges."

Valentin, who is 5-foot-10, 174 pounds, has a commitment to LSU if he does sign. The allotted slot bonus for the 51st pick is $984,700.

Uribe to begin rehab stint on Friday

PHILADELPHIA -- Juan Uribe will begin a rehab assignment for his arthritic wrist Friday and could return to third base for the Dodgers by Monday, but manager Don Mattingly said that doesn't mean hot-hitting rookie Elian Herrera won't keep playing.

"There's plenty of spots for everybody," said Mattingly. "He can play the outfield, and second base is still there. He's been in there pretty much every day. He gets two hits every day and game-winning hits and he keeps playing, you know what I'm saying? The game tells you what to do. He hits .440 and drives in runs, well, OK?"

Mattingly said Matt Treanor caught Chad Billingsley on Tuesday night instead of Chris Capuano on Wednesday night, because A.J. Ellis was out with a bruised left shin, which he suffered when he was hit by a pitch Monday night. Ellis returned to the lineup Wednesday to catch Capuano, snapping Treanor's streak of catching seven consecutive Capuano starts. (The Dodgers went 5-2 in that span.)

"I never matched them up on purpose," Mattingly said of the Capuano-Treanor battery. "It was working out good, but I don't really want to get stuck in that."

Ken Gurnick is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.