Good thing for him it ended on a high note - even if it took an extra inning.
Soto reached on a fielder's choice with two outs, then scored from first when Colvin lined a shot to right. The Cubs had an abbreviated celebration at home before bolting for the clubhouse for cover.
"The whole game you go out there and you're kind of miserable and it's so cold," Soto said. "We wanted to get out of there so badly. We were like, 'Man, all we need is one.' But it was tough to get that one."
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Carlos Marmol (1-1) struck out two in 1 1/3 scoreless innings to pick up the win for the Cubs.
Chad Qualls (0-1) allowed a run while getting two outs for San Diego.
Tim Stauffer scattered four hits in seven scoreless innings, striking out four and walking one. He lowered his ERA from 4.80 to 3.27 before being replaced by pinch-hitter Brad Hawpe in the eighth after throwing just 95 pitches.
"I felt pretty good still," Stauffer said. "I felt like I had another one in me; it's just a matter of my spot coming up in the order. I felt just as good late in the game as at any other point.
Wearing no sleeves, Carlos Zambrano one-upped Stauffer, allowing three hits in eight scoreless innings for Chicago. He struck out 10 and walked one.
Zambrano struck out the side in the first, then got stronger as the game went on. He retired the last 13 batters he faced, lowering his ERA from 6.11 to 4.21.
Zambrano, who hasn't lost since being put on the suspended list for a dugout tirade during a loss to the White Sox on June 25, faced his only real trouble in the second.
He struck out Nick Hundley to lead off the inning before allowing a single to Ryan Ludwick. Cameron Maybin then reached base on a fielder's choice, and Jason Bartlett's single advanced Maybin to third.
But Zambrano stranded both runners by getting Stauffer to ground out to shortstop.
Zambrano allowed just one more hit a fourth-inning single by Hundley.
"Big Z has been here for almost 10 years so he can handle [the weather]," Soto said. "Plus seeing him pitch with no sleeves, I was even colder. But he's a veteran so he knows what to do and he brought it."
"It's Chicago. It's the windy city. It's a great place to play in the summertime," Hudson said. "But it's not summertime."
Pena just missed winning it with a left-field shot in the ninth, but the wind kept him from his first homer in a Cubs uniform.
"He crushed that ball," Cubs manager Mike Quade said. "Well guess what, maybe a bunt single is the way to go sometimes. On nights like this when we're scrapping for a run, why not?
- It was the first night game at Wrigley Field in 2011.
- Chicago right-handed pitchers Randy Wells and Andrew Cashner were scheduled to be evaluated by the team orthopedic specialist Monday night. Both have been on the DL since April 8 -- Wells with a strained forearm and Cashner with a rotator cuff strain.
- Padres OF Chris Denorfia pinch-hit a day after exiting San Diego's 8-6 win over Houston in the fourth inning with a bruised left forearm suffered during a collision with the right-field wall.
- LHP Joe Thatcher, who's spent the early season on the DL with a shoulder injury, played catch Monday. San Diego manager Bud Black said Thatcher felt fine but isn't ready to throw off a mound yet.