"They're pretty pumped up, to put it mildly," McEnroe said. "They get pumped up for breakfast."

The U.S. team takes a 2-0 lead into the doubles match Saturday, with a chance to claim the Davis Cup title for the first time since 1995. The top-ranked Bryans are slated to face Russians Nikolay Davydenko and Igor Andreev.

On Friday, Andy Roddick cruised past Dmitry Tursunov 6-4, 6-4, 6-2 in the opening match and James Blake outlasted Mikhail Youzhny 6-3, 7-6 (4), 6-7 (3), 7-6 (3) on the hard court at Memorial Coliseum.

Russia's captain Shamil Tarpischev pulled a surprise at the draw, leaving fourth-ranked Davydenko out of the singles matches - setting up the first match between Roddick and Tursunov.

Tarpischev didn't say whether he'd stay with Davydenko and Andreev as his doubles team on Saturday.

"I haven't thought about it except that the ones that I have posted to play, and that is Andreev and Davydenko," the captain said.

Davydenko comes into the Davis Cup final at the center of an investigation into unusual betting patterns during a loss to Martin Vassallo Arguello of Argentina in August.

Betfair, an online gambling company, voided all bets on the match after unusually large amounts were wagered on the lowly ranked Argentine throughout the contest in Poland, even after he lost the first set 6-1. Davydenko retired with an injury in the third set.

Davydenko denies the allegations.

"The Americans have very good chances tomorrow," Tarpischev said through a translator. "But as they say, the ball is round so anything can happen."

The mostly pro-U.S. crowd was on its feet when Blake went ahead in the final tiebreaker and Youzhny hit into the net for the U.S. victory.

Blake, ranked 13th in the world, appeared to tire in the second set, and 19th-ranked Youzhny went up 4-3. Blake talked out loud to himself, saying 'C'mon, c'mon."

He would recover to win the set, but ran into trouble again in the third, when Youzhny won the tiebreaker.

The marathon match, which Blake called the biggest win of his career so far, lasted 3 hours, 28 minutes.

Roddick threw his hands up in triumph after Tursunov's final return landed long in the first match. Ranked No. 6 in the world, Roddick improved to 6-0 in Davis Cup play this year.

Roddick had 25 aces in the match, which lasted 1 hour, 53 minutes. Tursunov had eight aces.

"I wasn't playing my game," Tursunov said. "I was playing way too passive. I was playing not to miss."

No. 34 Tursunov is the lowest-ranked member of the Russian team, following Davydenko, No. 19 Youzhny and No. 33 Andreev.

The best-of-five final is a culmination of a year's worth of international competition.

The once-dominant United States has 31 Davis Cup titles but none in 12 years, the longest span without an American victory. Pete Sampras last led the team to victory over Russia on clay in Moscow in 1995.

Both Davis Cup teams include the same players from the semifinals, when the United States beat Sweden 4-1 and Russia defeated Germany 3-2.

The United States last hosted the Davis Cup final in 1992, in Fort Worth, Texas. Andre Agassi, Jim Courier, Pete Sampras and John McEnroe defeated Switzerland.

Memorial Coliseum, which seats about 12,800, has hosted two previous Davis Cup events, in 1981 and 1984, both U.S. semifinal victories over Australia.

Should the United States win the doubles match, the reverse singles on Sunday would be shortened to best-of-three sets.