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10/02/12 8:50 PM ET

Epstein sticks by Sveum after tough season

CHICAGO -- The Cubs have lost 100 games for the first time since 1966 and only the third time in franchise history, but Theo Epstein didn't put any of the blame on first-year manager Dale Sveum.

"The 100 losses are not his fault the least bit," said Epstein, Cubs president of baseball operations. "He's done a really good job of maintaining as much of a winning culture as he possibly can during a season like this."

Sveum said he'll take time this offseason to evaluate the job he's done. He asked the veteran players for feedback as well.

"The bottom line is it's the players game, and you send them out there to play," Sveum said. "It's their job to perform and it's my job to manage the game and it's my job to manage the clubhouse and make sure it's an atmosphere that these guys enjoy coming to every day, no matter the good times or the bad times. That's my job. Wins and losses are what they are, but the bottom line is putting these guys in situations where they can succeed and they have to do the job."

Epstein said all relevant discussions regarding the coaches and staff will be done following Wednesday's season finale.

"We're not satisfied with the way the year has gone," Epstein said. "There are some positive developments in certain areas, but no, we're not happy with certain areas."

Sveum has won over the players.

"I have nothing but praise for him, especially the way he handled me when I came up and put me directly in the three-hole and stuck with me," Cubs first baseman Anthony Rizzo said. "The confidence he puts in us, and all the players -- we all love playing for him. It's so easy to talk to him.

"He's a player and he played the game hard," Rizzo said. "He knows in a big situation, if we're swinging at a ball in the dirt, you're not going to see him show anyone up because he knows how hard this game is, and that's awesome."

Sveum hopes Jackson makes strides in offseason

CHICAGO -- The Cubs are hoping Brett Jackson has an Anthony Rizzo type offseason, and can come back in 2013 even better.

Rizzo batted .141 last season when first called up to the big leagues with the Padres. He made several adjustments with his stance, and since he was promoted on June 26, he was batting .288 with the Cubs. Jackson was batting .174 in 42 games since being called up from Triple-A Iowa on Aug. 5.

"It's up to them to make the adjustments and learn from their experience in the big leagues and that's a big reason why we bring them to the big leagues, so they can have an understanding of how big league pitching is different," Cubs manager Dale Sveum said Tuesday. "The development in Triple-A was average and too many strikeouts. You bring him to the big leagues to show him this is a whole 'nother caliber of pitching that you have to be able to make adjustments during the winter to be able to compete at this level."

Sveum, a former hitting coach, has a list of things he'd like to see Jackson do.

"I'd like to see him completely revamp his swing and lower half," Sveum said. "They're not things that you're asking somebody to stand on their head about. There are players in this game who have made drastic, drastic adjustments and it's propelled some of them to Hall of Fame stature and long careers in the big leagues. I'll go to my grave saying if you don't make any adjustments in this game, you won't stay here long."

Jackson, the Cubs' No. 1 pick in the 2009 First-Year Player Draft, was not expected to play this winter, but will likely be in Arizona for some extra tutoring.

Extra bases

• According to a report, the Cubs plan to add 56 prime box seats in 2013 by moving the brick wall three feet closer to the field. Crain's Chicago Business reported Tuesday that the proposed changes will be on the agenda of the permit review committee of the Commission on Chicago Landmarks on Thursday. Theo Epstein, Cubs president of baseball operations, said Tuesday he was not privy to the information.

"I would probably want to sit down and study it," Epstein said. "I don't see it as a big deal, one way or another if it's only a couple of feet, but we'll see."

The Cubs added three rows of seats behind home plate before the 2004 season.

Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat. This story was not subject to the approval of Major League Baseball or its clubs.