Mountcastle is not in Sunday's lineup against the Red Sox.

EDGE Analysis

Adley Rutschman is starting at designated hitter while Ryan O'Hearn mans first base. Mountcastle hit .231 with zero home runs in 13 games in September.

Mountcastle (shoulder) was activated from the 10-day injured list ahead of Wednesday's game against the Nationals, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Mountcastle is not in the Orioles' lineup Wednesday versus Washington, but he should be available off the bench and is expected to make a full return in Thursday's series opener against the Red Sox. The 26-year-old wound up missing exactly 10 days because of left shoulder inflammation.

Mountcastle (shoulder) took batting practice on the field Tuesday and is likely a couple days away from being reinstated from the 10-day injured list, Cordell Woodland of 105.7 The Fan Baltimore reports.

EDGE Analysis

The 26-year-old will be eligible to be activated Wednesday, but the Orioles may give it an extra day or two before returning him to the active roster. Regardless, Mountcastle should be ready for game action before the end of the regular season Sunday.

Orioles manager Brandon Hyde said Saturday he believes Mountcastle (shoulder) will be able to return from the injured list when first eligible, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Mountcastle landed on the 10-day IL on Wednesday (retroactive to Sept. 17) with inflammation in his left shoulder. He stood in and took pitches during a Felix Bautista (elbow) bullpen session Saturday, and he's begun fielding grounders as well. Mountcastle won't be eligible to return from the injured list until Wednesday, but it's encouraging to see him trending in the right direction.

Mountcastle was placed on the 10-day injured list Wednesday, retroactive to Sept. 17, with left AC joint inflammation, Jake Rill of MLB.com reports.

EDGE Analysis

The Orioles had consistently said Mountcastle wouldn't need an IL stint for the shoulder injury he suffered a week ago, but he simply hasn't recovered as quickly as anticipated. He'll be eligible for activation Sept. 27, but it's not clear at this time whether he will be ready then.

Mountcastle (shoulder) is not in Wednesday's lineup against the Astros.

EDGE Analysis

Mountcastle hasn't played in a week due to left shoulder soreness. Ryan O'Hearn is starting at first base while Heston Kjerstad starts at designated hitter.

Mountcastle (shoulder) isn't in the Orioles' lineup Tuesday against Houston, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Now sitting for the sixth time in as many games, Mountcastle remains day-to-day with a sore shoulder and should be able to avoid a stint on the 10-day injured list. Mountcastle's absence will allow Heston Kjerstad to serve as Baltimore's DH while batting sixth.

Manager Brandon Hyde said Monday that Mountcastle (shoulder) is not a candidate to be placed on the injured list, Roch Kubatko of MASNSports.com reports.

EDGE Analysis

Mountcastle will not start Monday for the fifth time in as many games, and he is still feeling soreness in his injured shoulder. However, he is showing improvement and remains day-to-day for the time being.

Mountcastle (shoulder) is not in the lineup for Monday's game against the Astros.

EDGE Analysis

Mountcastle's injury will prevent him from starting a fifth straight game. He remains on the active roster for the time being, but it remains to be seen when he will return to the field.

Mountcastle (shoulder) remains out of the lineup Sunday versus the Rays.

EDGE Analysis

Mountcastle has missed the Orioles' entire four-game series against Tampa Bay after tweaking his left shoulder Wednesday versus the Cardinals. The good news is that imaging scans taken Thursday showed no structural damage, and he is not currently an IL candidate. The 26-year-old has been swinging on the side as he fights through a bit of lingering discomfort and could return to action at some point during the O's upcoming three-game set at Houston, which begins Monday.