8:11 PM - Alberto Callaspo (LAD) was designated for assignment Wednesday night to make roster room for the newly acquired Chase Utley, Eric Stephen of SB Nation reports.

10:11 AM - Alberto Callaspo (Oak) Callaspo (hamstring) thinks he'll be ready for activation just a couple days after he's eligible next Sunday.

4:29 PM - Alberto Callaspo (Oak) Callaspo was diagnosed with a Grade 2 strain Saturday.

1:42 PM - Alberto Callaspo (Oak) placed INF Alberto Callaspo on the 15-day disabled list with a strained right hamstring.

6:27 AM - Alberto Callaspo (Oak) Callaspo (hamstring) is expected to avoid the disabled list, but is unlikely to return to the Athletics lineup over the weekend.

7:30 PM - Alberto Callaspo (Oak) Callaspo was removed from Friday's contest against the Mariners with a strained right hamstring.

9:23 PM - Alberto Callaspo (Oak) Callaspo finished 2-for-4 with a double and two RBI in a win over the Giants on Monday.

7:22 AM - Alberto Callaspo (Oak) manager Bob Melvin confirmed on Saturday that Alberto Callaspo has taken over as the team's primary second baseman.

9:56 AM - Alberto Callaspo (Oak) activated INF Alberto Callaspo from the paternity leave list.

12:28 PM - Alberto Callaspo (Oak) placed INF Alberto Callaspo on the paternity leave list.

4:49 PM - Alberto Callaspo (Oak) Callaspo will miss the A's weekend series with the Yankees because he is having his third child.

6:33 PM - Alberto Callaspo (Oak) Callaspo will miss this weekend's series against the Yankees in order to be with wife as she gives birth.

1:50 PM - Alberto Callaspo (Oak) Callaspo went 1-for-3 with two walks and three runs scored in a win over the Orioles on Sunday.

1:30 PM - Alberto Callaspo (Oak) manager Bob Melvin said Friday that Alberto Callaspo will see a drop in playing time following the acquisition of Kyle Blanks.

7:02 AM - Alberto Callaspo (Oak) Callaspo is starting at first base for the Athletics on Saturday.

2:03 PM - Alberto Callaspo (Oak) Callaspo went 1-for-3 with an RBI in the Athletics' loss to the Astros on Sunday.

8:05 PM - Alberto Callaspo (Oak) Callaspo went 1-for-5 with a two-run home run as the Athletics defeated the Astros on Thursday.

4:08 PM - Alberto Callaspo (Oak) Callaspo went 2-for-4 with his first home run of the year in the A's win over the Indians in game one of Wednesday's doubleheader.

2:29 PM - Alberto Callaspo (Oak) Callaspo will start for the Athletics at first base against left-handed pitchers.

3:19 PM - Alberto Callaspo (Oak) Callaspo went 2-for-3 and scored a pair of runs in Saturday's Cactus League loss to the Rockies.

11:15 AM - Alberto Callaspo (Oak) Callaspo will start at first base in Friday's Cactus League game.

6:57 AM - Alberto Callaspo (Oak) Callaspo could see some playing time at first base in the next few days.

1:23 PM - Alberto Callaspo (Oak) Callaspo singled twice and drove in a run in three at-bats Wednesday as the Athletics defeated the Giants 10-5.

10:33 AM - Alberto Callaspo (Oak) manager Bob Melvin said Tuesday that Alberto Callaspo will likely see some time at first base next season.

11:51 AM - Alberto Callaspo (Oak) Callaspo is playing second base for the A's in Game 5 of the ALDS on Thursday against the Tigers.

5:07 PM - Alberto Callaspo (Oak) Callaspo went 4-for-4 with two runs scored and three RBI in Saturday's win over the Twins.

11:02 AM - Alberto Callaspo (Oak) Callaspo is out of the starting lineup on Wednesday versus Minnesota.

8:37 PM - Alberto Callaspo (Oak) Callaspo hit his seventh home run of the season against the Twins on Tuesday.

11:21 AM - Alberto Callaspo (Oak) Callaspo finished 2-for-4 with two RBI in the A's win over the Blue Jays on Monday.

7:24 AM - Alberto Callaspo (Oak) Callaspo (forearm) returned to the Athletics' lineup Saturday.

12:04 PM - Alberto Callaspo (Oak) Callaspo (forearm) says he feels fine and will be available Friday against the Blue Jays.

12:19 PM - Alberto Callaspo (Oak) Callaspo expects to return to the A's starting lineup for Friday's series opener in Toronto.

10:31 AM - Alberto Callaspo (Oak) Callaspo left Wednesday's game with a left forearm contusion.

10:00 AM - Alberto Callaspo (Oak) Callaspo left Wednesday's game against the Reds with an apparent injury.

7:35 PM - Alberto Callaspo (Oak) acquired INF Alberto Callaspo from the Angels in exchange for 2B Grant Green.

6:34 PM - Alberto Callaspo (LAA) Sports' Ken Rosenthal reports that the Athletics have acquired Alberto Callaspo.

6:18 PM - Alberto Callaspo (LAA) Callaspo was removed from Tuesday's game against the Rangers in the fifth inning.

2:43 PM - Alberto Callaspo (LAA) Sports' Danny Knobler reports that the Yankees have "been in touch" with the Angels about Alberto Callaspo.

2:35 PM - Alberto Callaspo (LAA) Callaspo went hitless in a fourth straight game Wednesday against the Twins.

2:13 PM - Alberto Callaspo (LAA) Callaspo is not in Friday's lineup against the Astros.

6:01 PM - Alberto Callaspo (LAA) Callaspo went 2-for-4 with two runs scored in the Angels' win over the Mariners on Wednesday.

1:41 PM - Alberto Callaspo (LAA) activated 3B Alberto Callaspo from the 15-day disabled list.

1:15 PM - Alberto Callaspo (LAA) Callaspo (calf) went 2-for-4 with a home run on Wednesday afternoon at High-A Inland Empire.

10:30 AM - Alberto Callaspo (LAA) Callaspo (calf) will begin a rehab assignment at High-A Inland Empire on Tuesday.

4:37 PM - Alberto Callaspo (LAA) Callaspo (calf) is feeling better but doesn't expect to be activated until the Angels return home late next week.

2:45 PM - Alberto Callaspo (LAA) placed Alberto Callspo on the 15-day disabled list, retroactive to April 11, with right calf tightness.

7:00 AM - Alberto Callaspo (LAA) Callaspo still felt tightness in his right calf when he tried to run on Thursday.

3:55 PM - Alberto Callaspo (LAA) Callaspo (calf) will not play in the series against the Twins.

1:03 PM - Alberto Callaspo (LAA) Callaspo (calf) is out of the Angels' lineup for the fourth straight game on Monday.

5:17 AM - Alberto Callaspo (LAA) Callaspo (calf) might require a stint on the 15-day disabled list.

3:29 PM - Alberto Callaspo (LAA) Callaspo (calf) is out of the Angels' starting lineup on Friday.

8:53 PM - Alberto Callaspo (LAA) Callaspo left Thursday's game against the Athletics after seven innings due to tightness in his right calf.

3:41 PM - Alberto Callaspo (LAA) Callaspo clubbed a two-run homer in Monday's 11-5 win over the White Sox.

6:43 PM - Alberto Callaspo (LAA) and 3B Alberto Callaspo avoided arbitration by agreeing to a two-year, $8.975 million contract.

5:33 PM - Alberto Callaspo (LAA) Angels are nearing agreement on a two-year contract with infielder Alberto Callaspo, according to beat writer Jeff Fletcher of the Orange County Register.