Derek Norris (back) reported feeling better on Monday.

Norris sat out of Sunday's game against the Blue Jays due to tightness in his back and is not in the A's starting lineup for Monday afternoon's series finale. But the 24-year-old catcher is fully expected to avoid a stint on the 15-day disabled list and could play Tuesday.

Derek Norris won't be available to play Sunday due to tightness in his back.

The good news is that he's feeling better and should be available in a day or two. Stephen Vogt is behind the plate Sunday.

Derek Norris is not in Wednesday's lineup against the Reds.

He'll get a rest with the day game after the night game. Stephen Vogt will start behind the dish and catch Bartolo Colon.

Derek Norris hit a pinch-hit home run against Reds closer Aroldis Chapman on Tuesday.

The ninth-inning homer was the only run of the game for the Athletics. It was Norris' eighth home run of the year, and his third in his last seven games. Despite his plate patience, the 24-year-old catcher is hitting just .217 this season.

Derek Norris finished 2-for-4 with a home run and two RBI on Thursday against the Angels.

Norris had an RBI single in the bottom of the fourth inning and a solo homer in the sixth. This was his first multi-hit games since July 2. While it comes under unfortunate circumstances, Norris should see most of the playing time behind the plate while John Jaso is on the 7-day concussion disabled list. However, there's little reason to pick him up outside of AL-only fantasy leagues.

Derek Norris singled and scored the only run in Thursday's win over the Cubs.

Norris singled in his first plate appearance and walked in the seventh before eventually coming home on a passed ball. The backstop had a nice series against the Cubs, as he belted a three-run, go-ahead homer against them on Tuesday.

Derek Norris hit a three-run homer off James Russell in the bottom of the eighth to lead the A's past the Cubs 8-7 on Tuesday.

Norris also singled and walked in the game. Plus, he threw out Luis Valbuena on a botched hit-and-run in the ninth to further aid the cause. With a .203 average in 172 at-bats, Norris hasn't had many hits this season. Still, he seems to make them count; his four homers have plated nine runs.

Derek Norris singled in one of his four at-bats in his return to the lineup Saturday.

Norris had been held out since Wednesday, when he took a foul tip to the groin. With John Jaso (hand) banged up, he'll start again Sunday.

Derek Norris was removed from Wednesday night's game after taking a foul tip to the groin.

"He's a tough guy, and to come out of that game means he was struggling," manager Bob Melvin said. "He got hit pretty good. A contusion of a particular area." Norris is considered day-to-day. He'll be fine eventually.

Derek Norris had a three-run homer and an RBI single against the Yankees' CC Sabathia on Tuesday.

Norris took advantage of the last lefty he's going to see for a while. CSN's Paul Gutierrez worked it out before the game, and the A's are scheduled to face righties their next 16 games in a row, which is bad news for Norris, Adam Rosales and Nate Freiman and good news for John Jaso, Eric Sogard and Brandon Moss.

Derek Norris hit his first homer of the year Friday against the Mariners.

Norris has been a walk machine this year, amassing 12 in 72 at-bats for the A's. The part-time catcher hasn't done a whole lot else offensively, but that's helped him score 15 runs to date.

Derek Norris (jaw) is available to play Friday.

Norris left Wednesday's game after he took a foul tip off his jaw and just started eating again yesterday, but he won't require a lengthy absence. However, John Jaso is starting behind the plate Friday.

Derek Norris left Wednesday's game in the seventh inning after taking a foul tip off his mask.

Norris' jaw is a little sore, but X-rays were negative and he thinks he'll be available to play Friday. "I'll always be ready to play," Norris said.

Derek Norris doubled and ripped a two-run homer Monday against the Mariners.

Norris' longball came in the fourth inning off of Hisashi Iwakuma. The A's backstop is raking this spring, sporting a .346 batting mark with three dingers and a pair of two-baggers. He will start against left-handed pitching for the A's this season.

Derek Norris belted a solo homer in Thursday's loss to the Cubs.

Norris, who also walked and scored two runs on the day, took Travis Wood deep in the fourth inning for his second homer this spring. He's expected to start against left-handed pitching for the A's this season.

Derek Norris is in the starting lineup for Game 4 of the ALDS against the Tigers.

Athletics manager Bob Melvin is using the same lineup he did in Game 3. Coco Crisp is leading off again and will be followed by Stephen Drew, Yoenis Cespedes, Brandon Moss, Josh Reddick, Josh Donaldson, Seth Smith, Norris and Cliff Pennington.

Derek Norris is back behind the plate for Game 3 of the ALDS against the Tigers.

George Kottaras started at catcher in Game 2, but Norris is back as the A's attempt to keep their season alive. Coco Crisp is batting leadoff again Tuesday and will be followed by Stephen Drew, Yoenis Cespedes, Brandon Moss, Josh Reddick, Josh Donaldson, Seth Smith, Norris and Cliff Pennington.

Derek Norris had an RBI single and a solo homer off the bench Wednesday in Oakland's win.

By going 2-for-3, Norris finished his rookie season with a .201 average. However, he came in at .345 in 55 at-bats with runners in scoring position. Overall, he had seven homers and 34 RBI in 209 at-bats.

Derek Norris provided all of the A's offense on Saturday against the Blue Jays, smacking an RBI double.

Norris also drew a walk . Though he's hitting just .198 with three homers and 12 RBI in 85 at-bats on the season, the young catcher is taking over as the A's primary backstop with Kurt Suzuki now in Washington. Norris is worthy of ownership in two-catcher formats due to his potential power production, though the average isn't likely to be very good.

The Athletics are expected to go with Derek Norris as their starting catcher following the trade of Kurt Suzuki to the Nationals.

George Kottaras should also see plenty of playing time, but Norris is the team's future at catcher, and they've decided to roll with him now. The 23-year-old is batting just .195/.262/.325 over 21 games with the A's this season but has hit three homers and has above-average pop for a catcher. He should be owned in deeper mixed formats.