Josh Donaldson 3B/DH OAK 21 Days

Josh Donaldson has been named the final participant for the American League in next week's Home Run Derby.

Donaldson gets selected after cranking his 20th homer of the season in Thursday's win over the Giants. He'll join captain Jose Bautista, Adam Jones, Brian Dozier and teammate Yoenis Cespedes. The National League will be going with Troy Tulowitzki, Yasiel Puig, Todd Frazier and Giancarlo Stanton.

Josh Donaldson 3B/DH OAK 28 Days

Josh Donaldson is back in the Athletics' lineup Friday.

Donaldson missed the last two contests with stiffness in his back, but it was never considered to be a big deal. The third baseman is sporting a .245/.325/.459 batting line with 18 homers and 61 RBI over 82 games this season.

Josh Donaldson 3B/DH OAK 28 Days

Josh Donaldson is out of the lineup Thursday for the second straight game due to back stiffness.

It had been thought that Donaldson was just getting a day off Wednesday, but apparently his back is a little cranky. At this point, it doesn't sound like more than a day-to-day situation. Alberto Callaspo is getting another start at third base Thursday.

Josh Donaldson 3B/DH OAK 30 Days

Josh Donaldson is not in the Athletics' lineup Wednesday.

It's just a day of rest for the slugger. Alberto Callaspo is at third base Wednesday in Donaldson's place.

Josh Donaldson 3B/DH OAK 1 Month

Josh Donaldson went 1-for-4 with an RBI single in Sunday's win over the Marlins.

Donaldson put the A's on the board, tying the game up at 1-1 in the sixth inning with an RBI single. Nate Freiman immediately followed up with a go-ahead three-run home run. Despite slumping over the month of June, Donaldson is still having another productive season, slashing .250/.330/.469 with 18 home runs and 61 RBI.

Josh Donaldson 3B/DH OAK 1 Month

Josh Donaldson hit a three-run homer Friday as the A's edged the Red Sox 4-3.

Donaldson's first-inning homer accounted for Oakland's only runs until the eighth, when Coco Crisp singled in Kyle Blanks to break the tie. The homer was Donaldson's 18th on the year, but first since June 6. He's still batting just .181 for the month.

Josh Donaldson 3B/DH OAK 2 Months

Josh Donaldson was ejected from Saturday's game after seven innings for arguing balls and strikes.

Donaldson just wouldn't let it go after being called out to end the inning, and umpire Tripp Gibson finally ejected him before the start of the eighth. Jed Lowrie, who was supposed to have the night off, replaced him, with Andy Parrino moving from short to third.

Josh Donaldson 3B/DH OAK 2 Months

Josh Donaldson went hitless in a sixth straight game Friday, finishing 0-for-3 against the Yankees.

Donaldson's 0-for-24 slump has dropped his average from .280 to .254. He's also gone without a walk in the six games. It's probably a coincidence, but it's interesting how this dates back to the incident with Manny Machado and him getting thrown at by the Orioles' Wei-Yin Chen.

Josh Donaldson 3B/DH OAK 2 Months

Josh Donaldson went 3-for-5 with a solo home run in Wednesday's win over the Yankees.

Donaldson broke a 4-4 tie in the seventh inning, going deep off of Jose Ramirez for homer number 16 on the season. Donaldson, who finished fourth in AL MVP voting last season, is having another incredible season, now slashing .284/.375/.552 with 49 RBI.

Josh Donaldson 3B/DH OAK 2 Months

Josh Donaldson hit his 14th and 15th homers as the A's topped the Angels 9-5 on Friday.

Both homers tonight came off a pretty weak lefty in Wade LeBlanc, but it's not like Donaldson hasn't taken plenty of quality starters and relievers deep this year, too. He's 11-for-23 with five homers in his last six games, raising his average from .267 to .283 during the span. Tonight's game also pushed his OPS back over .900 for the first time since late April.