David Nalbandian rallied to beat Florian Mayer 2-6, 6-0, 6-1, 7-6 (5) and give Argentina a 2-0 lead over Germany Friday in the first round of the Davis Cup. Earlier, Juan Monaco defeated Philipp Petzschner 6-3, 6-3, 6-3. Nalbandian fell behind 4-0 and failing to mount much of a challenge in the first set. More...