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9/4/2013 6:29 P.M. ET

Cashner to start vs. Phillies on nine days' rest

SAN DIEGO -- As promised, right-handed pitcher Andrew Cashner will re-emerge in the Padres' starting rotation Tuesday when the team opens a three-game series on the road against the Phillies.

The Padres have vowed to watch Cashner's innings closely in the final month of the season as he's more than doubled his innings from last season.

Cashner will be pitching on nine days' rest and the team could bump him again before the season ends. One thing is for certain, the Padres won't shut Cashner down.

Cashner threw a career-high 119 pitches in his last start Saturday against the Dodgers, allowing one run on 10 hits with three walks and seven strikeouts in seven innings.

All told, Cashner has thrown 151 1/3 innings this season, far ahead of his workload from last season (69 2/3 innings).

"Cash is feeling good," said Padres manager Bud Black. "We want him to keep pitching. And he's going to make his starts. He's been great all year."

Adding right-hander Burch Smith to the rotation -- the rookie will pitch Friday against the Rockies -- has given the Padres flexibility and allowed Tyson Ross and Ian Kennedy an extra day of rest.

Maybin to have surgery Friday on wrist

SAN DIEGO -- After dealing with a troublesome right wrist for the past two seasons, Padres center fielder Cameron Maybin will have surgery on it Friday.

"It's time to get it done," Maybin said Wednesday.

Because of an impingement to the wrist and a torn posterior cruciate ligament in his left knee, Maybin's 2013 season has consisted of just 14 games.

"It's been a rough one," Maybin said.

As his knee continues to heal, Maybin was hoping his wrist would also heal during the period of inactivity while on the disabled list. But a scan two days ago showed some damage to two ligaments and calcium deposits in the wrist. The surgery will also smooth over the wrist joint, Maybin said.

"It's good to finally get an idea of what we're dealing with," Maybin said. "It's unfortunate, but this gives me the time to get ready for next year. And this [surgery] doesn't seem like a serious process."

Maybin is still holding out hope of getting some at-bats this winter, though the surgery could push that possibility back to December.

"I really want to get some at-bats," he said. "But there's no benefit to beating myself up over it. It wasn't like my body was breaking down. Things happen you can't control."

Wieland wants to pitch in offseason games

SAN DIEGO -- Pitcher Joe Wieland, who had reconstructive elbow surgery in July 2012, is still hopeful he can pitch this winter to get a jump-start on the 2014 season.

"I want to get some innings, even if it's 10 or 15 innings," Wieland said Wednesday. "I want to make sure that it's healthy. I don't want to go to Spring Training in the dark wondering if it's going to happen again."

Wieland's rehabilitation had been going smoothly until summer when he suffered the first of what he called three similar setbacks, soreness in the elbow area that was later diagnosed as a stress reaction.

Up to that point, Wieland's rehabilitation was without any drama. He threw 100 pitches off a mound in April and was looking forward to pitching in Minor League games at the end of the season.

Now, Wieland just wants to get a few innings somewhere -- Arizona Fall League or winter ball abroad -- before heading to Spring Training in February.

"At this point, it will probably take me a month or so to get ready to get into a game," Wieland said.

Wieland, who could join the mix of candidates who will compete for a starting job next spring, was 0-4 with a 4.55 ERA in five starts last season before suffering the elbow injury.

Short hops

• After missing six games while recovering from back spasms, third baseman Chase Headley was back in the Padres' lineup Wednesday. Headley suffered the spasms during a game in Arizona on Aug. 27. Headley went through a full pregame routine before Tuesday's game against the Giants, hitting on the field during batting practice and taking ground balls.

• Black said the Padres might not be done adding to the roster, which currently includes 31 players. Black hinted there could be more additions moving forward, more so with position players than pitchers.

Corey Brock is a reporter for MLB.com. Keep track of @FollowThePadres on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.