Jackson left the game after being hit on a 3-2 pitch in the fifth. The ball ricocheted off his left forearm, irritating a nerve and bruising the bone. X-rays revealed there was no break. Jackson said after the game that he had a tingly sensation in his ring and pinkie fingers and was having trouble moving them.
"I'm just having difficulty with some fingers right now," he said. "I mean, he got me pretty square. That's great news [that there's no break]; that's the season if it is. I wasn't too positive after it happened."
Tracy tried to advance from first to third in the sixth inning on a single by Orlando Hudson when he hyperextended his lower back as his head collided with Pedro Feliz's leg upon sliding over the base. Tracy's back spasmed and locked up in the moments after the collision, but he said he felt better after the game.
"When I hit Feliz's knee, it kind of jackknifed," he said. "I just felt like my ribs kind of had gone through my back.
"Right now, I feel like I could go back out there and finish the game if I had to, but we'll see in the morning. I think I'll be all right to play [Tuesday]."
Giants ace Jason Schmidt has not lost to the Diamondbacks since September 2002, so when Arizona tagged him for three runs in the first three innings, the D-Backs hoped that the tables had turned.
"We've had a difficult time with him, but we swung the bats early," Melvin said.
But those thoughts were premature as the bullpen could not hold on to a slim one-run lead.
Jeff Bajenaru (0-1) -- who was called up from Triple-A Tucson on Sunday -- entered the game in the sixth inning with a 3-2 lead and gave up a leadoff single to Omar Vizquel to begin the frame. Moises Alou then slapped the first pitch he saw into the left-field bleachers. After retiring Barry Bonds, Ray Durham planted a 2-0 pitch into the right-field seats. A batter later, Feliz added another home run on a solo shot to left field.
Greg Aquino came in the following inning and surrendered a pair of home runs -- one to Schmidt and another to former D-Back Shea Hillenbrand.
Despite the injuries and the loss, there were some bright spots as Enrique Gonzalez pitched well, despite going on three days' rest, giving up three runs and recording five strikeouts over five innings. Melvin said he pulled the rookie right-hander after 89 pitches because he was on short rest.
"One hundred [pitches] was going to be the absolute top; he was right at 90," Melvin said. "We were in tough straits [Monday]. We didn't have a couple guys [relievers Tony Pena and Luis Vizcaino] available. It was a tough day."
Veteran left fielder Luis Gonzalez passed Lou Gehrig and is now 26th on the all-time doubles list as he collected his 535th career double in the first inning. He is four shy of tying Al Simmons.
The Dodgers replaced the D-Backs in second place in the National League West standings as Arizona is now 2 1/2 games behind the front-running Padres in the division and a game behind Cincinnati and the Dodgers, who are tied, in the NL Wild Card.