The Miami Heat's LeBron James and Kevin Durant of the Oklahoma City Thunder (shown during an April game) will match up again tonight in the first game of the NBA Finals. J Pat Carter/AP hide caption

itoggle caption J Pat Carter/AP

Dirk Nowitzki of the Dallas Mavericks is defended by Joel Anthony of the Miami Heat during Game 5 of the NBA Finals at the AmericanAirlines Center in Dallas on Thursday (June 9, 2011). Mark Ralston /AFP/Getty Images hide caption

itoggle caption Mark Ralston /AFP/Getty Images