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07/17/12 9:30 PM ET

Improving Dodgers' defense on Mattingly's mind

LOS ANGELES -- The Dodgers were one of the best fielding teams in baseball last year and things started out promising this year, but they have struggled in that aspect since the All-Star break. Manager Don Mattingly said he isn't too concerned the recent sloppy play will last, but he is frustrated and wants to see it cleaned up.

"We always talk about trying to build on pitching, but with pitching you have to catch the ball," he said. "That's one area we have to continue to get better."

Mattingly described what has happened defensively over the past three days as weird (Kenley Jansen's blown save on Saturday), physical (Jerry Hairston's errors on Sunday) and mental (Monday's botched rundown play). He said physical mistakes happen and there is no need to worry too much unless the mental ones start piling up.

The Dodgers entered Tuesday having committed 66 errors this season, which was the fifth most in the Majors. That is a far cry from last season, when the team committed only 85 errors, which was the fifth best in baseball.

Worth noting

• The Dodgers are hoping to get reliever Javy Guerra back on Wednesday, but his return to the team is still up in the air. Manager Don Mattingly said there were some complications with logistics concerning Guerra's father and added there is a lot of stuff going that he didn't know enough information about to discuss the situation in detail. The reliever is in Mexico on bereavement leave to visit his father, who was hospitalized after suffering a heart attack Friday morning.

• Mattingly said Bobby Abreu had an IV treatment on Tuesday after saying the veteran outfielder "felt a little down." He said the left fielder is feeling fine and he was in the lineup batting leadoff against his former team, the Phillies.

• Reliever Todd Coffey, who is on the disabled list with a partial tear of the ulnar collateral ligament in his right elbow, will undergo Tommy John surgery on Wednesday. This is Coffey's second Tommy John operation, and he is out for the season.

Alex Angert is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.