Brandon Moss hit his third grand slam of the year Thursday off the Astros' Anthony Bass.

Moss never had a slam in 41 at-bats with the bases loaded prior to this season. This year, he's 5-for-8 with 17 RBI in those situations. He has 23 homers and 71 RBI overall, putting him in the top 10 in the AL in both categories.

Brandon Moss hit his 21st home run in a win over the Mariners on Sunday.

The homer, a solo shot, was Moss' second home run in his last two games. It was his only hit in four at-bats. The 30-year-old is hitting .268/.349/.530 with 66 RBI -- sixth-most in the American League -- and 45 runs. Moss is well on his way to another career year in 2014.

Brandon Moss (ankle) is back in Monday's lineup against the Giants.

Moss left Friday's game with a sprained left ankle, but an MRI ruled out any structural damage. He'll be eased back into action Monday as the DH.

The Athletics received encouraging news on Sunday when the MRI results on the ankle of Brandon Moss revealed no structural damage.

Moss's ankle wasn't healing quite as quickly as the A's would've liked it do, so they ordered the MRI as a precautionary measure. They are unsure of his availability for Monday's game, but he should be able to return to the lineup early in the week.

Brandon Moss will undergo an MRI on his sore left ankle.

Moss hasn't recovered as quickly as hoped and A's manager Bob Melvin admitted that the club is "a little bit concerned." An update on his condition should be available later Sunday.

Athletics manager Bob Melvin said after Friday's game that Brandon Moss is considered day-to-day with his sprained left ankle.

Moss actually lobbied to remain in the ballgame after the injury occurred, but the A's opted to play things cautiously. Look for him to return to the lineup at some point over the weekend.

Brandon Moss was removed from Friday's game against the Blue Jays with a sprained left ankle.

No word yet on the potential timeframe for his recovery, but a trip to the disabled list isn't out of the question. Nate Freiman would be in line for more at-bats should Moss be forced to miss any significant amount of time.

Brandon Moss was removed from Friday's game against the Blue Jays with a left ankle injury.

He twisted the ankle awkwardly while running. No word yet on the severity or potential timetable for his return, but the Athletics should have an update on his status after the game.

Brandon Moss finished 4-for-4 with a homer and two RBI in the A's loss to the Tigers on Wednesday.

Moss slugged a solo shot in the top of the first inning and hit an RBI single in the top of the seventh, but the A's mustered only three runs on the day and were swept out of Detroit. Moss is batting .274/.358/.534 with 19 homers and 62 RBI in 81 games this year.

Brandon Moss went 1-for-5 with a two-run home run in Wednesday's win over the Mets.

Moss belted his 18th home run of the season, taking Zack Wheeler out to right field in the first inning to give the A's an early 2-0 lead. The first baseman has been struggling at the plate as of late, but still owns an impressive .259/.349/.523 slash line with 18 home runs and 57 RBI.

Brandon Moss hit a grand slam in a big win over the Orioles on Sunday.

The slam was Moss' only hit in three at-bats, as he also walked twice on the day. Moss now has 16 home runs, and his 53 RBI are second-most in the American League. Moss owns a .279/.371/.582 line in what's proving to be a coming out party for the 30-year-old.

Brandon Moss went 2-for-4 with a pair of solo home runs in Tuesday's win over the Yankees.

Moss tied the game at 1-1 in the fifth inning with a solo shot off of Hiroki Kuroda, then broke a 2-2 tie in the tenth with solo homer off of Adam Warren, sparking a three-run inning. Moss now has 15 home runs and 48 RBI along with a .280/.369/.598 slash line.

Brandon Moss (calf) is back in Tuesday's lineup against the Yankees.

That's assuming the game is played, as the weather forecast isn't particularly promising. Moss hasn't played since Friday due right calf tightness.

Brandon Moss is slated to miss at least Saturday's game with his right calf strain.

The A's are facing a lefty in Tyler Skaggs on Saturday anyway. Expect Kyle Blanks to start in Moss's place.

Brandon Moss was forced from Friday's game because of tightness in his right calf.

Moss had a grand slam in the first inning, so his work was done. Kyle Blanks came on in his place. Moss appears to be day-to-day.

Brandon Moss went 2-for-4 with a solo homer in Friday's loss to the Blue Jays.

Moss now has seven home runs and 20 RBI over his last 18 games. He's tied for seventh in the AL with 11 home runs and ranks fourth with 41 RBI.

Brandon Moss went 1-for-2 with a pair of walks and a solo home run in Wednesday's win over the Rays.

Moss homered off of fellow lefty Erik Bedard in the fourth inning, and the hit would prove to be the only one the Athletics would have on the night, and they still won. Moss continues to hit, now with 10 home runs and 40 RBI along with a .301/.393/.595 slash line.

Brandon Moss tripled, doubled twice, walked twice and scored four runs as the A's topped the Indians 13-3 on Sunday.

Moss's good games are usually of the two-homer variety, not so much with the triples, doubles and walks. It's the second time in his career that he's reached base five times and also the second time he's scored four runs. He's currently hitting .301, a huge improvement over last year's .256 mark.

Brandon Moss blasted two home runs and a double against the White Sox in Tuesday's win.

He finished 3-for-5 with two runs scored and five RBI. Moss feasts on right-handers with all kinds of stuff, so he had a sort of delicious buffet of Scott Carroll (RBI double!), Frank Francisco (two-run sixth inning homer!), and Matt Lindstrom (two-run eighth inning homer!) to enjoy tonight. This was his fifth career multi-homer game. Moss is slashing .286/.364/.526 with eight homers and 29 RBI (sixth in the AL).

Brandon Moss went 3-for-4 with a run scored in a win over the Nationals on Sunday.

Moss had three of the Athletics' 13 hits on the day. Moss has four multi-hit games in his last eight games, raising his line to .274/.359/.476 with six homers and 28 RBI. He's quickly becoming a well-rounded fantasy performer.