Geoff Blum has reached an agreement to join the Astros' television broadcast team as a color analyst.

This effectively means that he's retired from baseball. Blum was limited to just 17 games during the 2012 season due to an oblique injury. The 39-year-old infielder played with six teams during his 14-year MLB career, including two stints with the Astros. He'll call 60 games in 2013.

Diamondbacks activated INF Geoff Blum from the 60-day disabled list.

Blum batted just .237 (9-for-38) over 12 games during his rehab assignment, but the important part is that he didn't feel any discomfort with his oblique muscle. The Diamondbacks placed John McDonald (back) on the disabled list in a corresponding roster move.

Geoff Blum (oblique) will begin a rehab assignment with Triple-A Reno Saturday.

Blum has been out for two months with a torn oblique muscle, so he'll probably require more than a handful of at-bats. He should be back before the end of the month if he can avoid a setback.

Diamondbacks transferred INF Geoff Blum from the 15-day disabled list to the 60-day disabled list.

Blum has been out since the middle of April because of a torn oblique muscle, and can now be ruled out for all of May. The veteran infielder opened the year 1-for-11.

Diamondbacks placed INF Geoff Blum on the 15-day disabled list with a pulled side muscle.

As expected. Blum tweaked a muscle in his side during batting practice and will likely be sidelined until the early part of May. The veteran utility infielder is 1-for-11 to begin the season.

Geoff Blum will be placed on the disabled list after pulling a side muscle during batting practice on Tuesday.

The full extent of the injury isn't yet known, but he'll now be out until the early part of May. Blum is 1-for-11 so far this season. A.J. Pollock will replace him on the active roster.

Making his first start since coming off the DL on Thursday, Geoff Blum went 3-for-5 with a homer and three RBI on Monday.

That silly two-year, $2.7 million deal handed to Blum finally paid off for the Diamomdbacks, as he knocked in his third, fourth and fifth runs of the season. He doesn't figure to play a lot behind Ryan Roberts this month, but perhaps that will change if he puts together a hot streak.

Diamondbacks activated INF Geoff Blum from the 15-day disabled list.

Blum was sidelined for over a month due to a fractured right pinkie finger. The veteran utilityman will function as depth for the Diamondbacks down the stretch.

Geoff Blum (finger) went 2-for-3 with an RBI single Monday in his first minor league rehab game with the AZL Diamondbacks.

Blum also played five innings in the field. Barring any setbacks, he should be ready to return this weekend against the Giants. The veteran utility man has been sidelined since late-July with a fractured right pinky finger.

Geoff Blum (finger) took batting practice Saturday.

Diamondbacks manager Kirk Gibson expects Blum to be ready to return in about two weeks. He's been out since late July with a fractured right pinky finger.

Geoff Blum (finger) has been cleared to resume throwing and swinging a bat.

Blum revealed the news himself on Twitter that the fracture in his right pinkie finger is healed. There's no timetable for his return to action, but he'll certainly be back sometime in September, if not late August.

Geoff Blum (finger) took grounders Monday.

Blum was placed on the disabled in late-July with a fractured right pinky finger. The veteran utility man is scheduled to undergo another X-ray next week and assuming all goes well, he will likely be back with the Diamondbacks before the end of the month.

Geoff Blum will not require surgery to repair a fractured pinkie finger.

Blum revealed the news himself on Twitter, saying that an X-ray came back well and the finger is healing properly. He'll performing range of motion exercises for two more weeks before starting to swing a bat again. The utilityman could be back by the end of the month.

Diamondbacks placed 3B Geoff Blum on the 15-day disabled list with a fractured pinkie finger.

Blum suffered the injury on Sunday and is likely to need over a month of recovery time. The veteran was 3-for-15 (.200) in his short time on the active roster.

Diamondbacks activated INF Geoff Blum from the 15-day disabled list.

Blum has not played an inning in the majors this season due to late-April knee surgery. He's expected to serve as a utilityman for the D'Backs going forward.

The Diamondbacks hope Geoff Blum (knee) will be ready for activation from the disabled list Friday.

Blum has missed the entire season while recovering from knee surgery. He had two hits and a walk Friday in his third rehab game with Triple-A Reno. The D'Backs will use him in a utility role when he's ready.

Geoff Blum (knee) is scheduled to to play every other day in the rookie-level Arizona League starting Monday.

He'll then progress to one of the Diamondbacks' full-season minor league affiliates. Assuming Blum has no setbacks with his surgically-repaired knee, we could see him before the All-Star break.

Geoff Blum (knee) has been playing in simulated games and could be ready for rookie-level Arizona League games next week.

Blum is coming back from arthroscopic surgery on his knee and has been recovering slower than expected. He should be ready by early July.

Geoff Blum (knee) fielded ground balls Wednesday and also took live batting practice.

Both activities represent the significant amount of progress that Blum has made since the start of June. He's hoping to return to the majors in early July.

Geoff Blum underwent successful surgery on his right knee Tuesday.

Diamondbacks manager Kirk Gibson estimates that Blum will be sidelined for about six weeks. "I think it was fairly encouraging what they saw," said Gibson. "They didn't see bone on bone. There is still cartilage there. From the report I had, that was pretty encouraging." Look for him in early to mid June.