<b>Photos:</b> NBA Finals: Heat vs Mavs Game 4

Mario Chalmers (15) of the Miami Heat goes for the basket past Dirk Nowitzki of the Dallas Mavericks during Game 4 of the NBA Finals against the Dallas Mavericks at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

LeBron James (FRONT) of the Miami Heat is defended DeShawn Stevenson of the Dallas Mavericks during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

Mario Chalmers (R) of the Miami Heat tries to penetrate the defense of the Dallas Mavericks during Game 4 of the NBA Finals against the Dallas Mavericks at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

LeBron James of the Miami Heat goes to the basket against the Dallas Mavericks during Game 4 of the NBA Finals at the American Airlines Center in Dallas.  (MARK RALSTON, AFP/Getty Images)

LeBron James of the Miami Heat (BACK) is defended beneath the basket by Dirk Nowitzki of the Dallas Mavericks during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

LeBron James of the Miami Heat watches his basket during Game 4 of the NBA Finals against the Dallas Mavericks at the American Airlines Center in Dallas.  (MARK RALSTON, AFP/Getty Images)

Shawn Marion (L) of the Dallas Mavericks is challenged by LeBron James (6) of the Miami Heat during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

The Dallas Mavericks defend the basket against LeBron James (C) of the Miami Heat during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

Dwyane Wade (L) of the Miami Heat is defended by Shawn Marion (R) and Tyson Chandler (BACK) of the Dallas Mavericks during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)

Dirk Nowitski of the Dallas Mavericks shoots against the Miami Heat during Game 4 of the NBA Finals at the American Airlines Center in Dallas on June 7, 2011. This year’s final is a rematch of the 2006 NBA championship, which Miami took in six games for their first title in franchise history. Dallas have never won the NBA championship in the 31 years they have been in the league.   (MARK RALSTON, AFP/Getty Images)

Jose Barea (L) of the Dallas Mavericks defends against Mike Bibby of the Miami Heat during Game 4 of the NBA Finals at the American Airlines Center in Dallas.   (MARK RALSTON, AFP/Getty Images)