Warren Buffett's All-Star Battery Takes the Field at Fenway Tonight

Warren Buffett has thrown out the ceremonial first pitch at baseball games before, but he's never had a business all-star as a catcher.

Tonight (Tuesday), Buffett is scheduled to take the mound at Boston's Fenway Park just before the Red Sox play the Tampa Bay Rays. (At 96 years of age, Fenway beats even Buffett's 78 years for longevity.)

His catcher: Jack Welch, the legendary former Chairman of General Electric, and a devoted Red Sox fan. (GE is CNBC's parent company.)

The weather, however, may interfere. As of 10:30a ET, the Weather.com game forecast calls for thunderstorms, with a 70 percent chance of precipitation.

It's a big game for both teams. Boston's 3-0 win last night (Monday), puts them just one-half game behind the Rays in the American League Eastern Division.

Warren Buffett throws out the ceremonial first pitch before tonight's game between the Kansas City Royals and the Texas Rangers

Buffett told us he will throw whatever pitch Welsh calls for, whether its a fastball, a curve, or the always hard-to-hit "ball that bounces four or five times before it gets to the plate."

CNBC Sports Business Reporter Darren Rovell, who writes the always insightful SportsBiz blog on CNBC.com will be in Boston tonight with producer Tom Rotunno.

Weather-permitting, they'll have a report on how many times the ball actually does bounce, tomorrow on Squawk Box (6a-9a ET).

Buffett talked with Becky Quick about his upcoming pitching assignment, when he appeared on Squawk for a special Three Hours with Warren Buffettmorning late last month.

QUICK: Warren, we teased earlier that we were going to mention something nobody had heard about just yet. We know that you're a huge baseball fan, but you also have a big day coming up. What is that big day?

BUFFETT: It's a--it's a huge day for all of baseball, actually. On September 9th in Fenway Park I will be starting. And--but more important than that--because I've thrown out the first pitch other times--but this time I brought my secret weapon.

QUICK: Which is?

BUFFETT: Jack Welch is going to be my catcher.

QUICK: Jack Welch is your catcher.

BUFFETT: Yeah. I mean, can you imagine being able to pitch with Jack calling the pitches? And, I mean, anything he calls for. I've got--I've got a fastball, a curve, a sinker, you know, a spitball, a knuckleball, a sidearm delivery. And if Jack calls for any pitch, including the ball that bounces four or five times before it gets to the plate, I'm going to throw it.

QUICK: You're going to throw exactly what he calls for.

BUFFETT: So if I--if that's the pitch, it's because Jack called it.

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