Shaw went 1-for-2 with a walk, a solo home run and an additional run scored in Wednesday's 4-3 win over the Brewers.

Shaw has been on a nice run since the All-Star break, as he's now batting .302 with nine home runs, 17 runs scored and 18 RBI across his last 30 games. The rookie third baseman has put some early season struggles behind him, and with the Cubs not acquiring anyone to replace Shaw at the hot corner before the trade deadline, he should be locked into a regular role down. The 23-year-old's fantasy value is trending upward based on his strong recent performance and fairly consistent playing time.

Rockies interim manager Warren Schaeffer said that Karros is out of the lineup for Wednesday's game against the Dodgers due to back tightness, Patrick Lyons of JustBaseball.com reports.

The injury doesn't appear to be severe and Karros should be considered day-to-day for the time being. He'll be available off the bench as an emergency option while Orlando Arcia starts at third base and bats eighth. Karros has gone 10-for-37 (.270 average) with one home run, five RBI and 10 runs in 12 games since being called up from Triple-A Albuquerque on Aug. 8.

Durbin is not in the Brewers' starting lineup against the Cubs on Wednesday.

Durbin -- who has started each of the Brewers' last six games -- will be on the bench for the beginning of Wednesday's contest while Anthony Seigler starts at third bast and bats sixth. Durbin has a .671 OPS with three steals, six doubles, three homers and 10 RBI over 101 plate appearances since the All-Star break.

House is out of the lineup for Wednesday's game against the Mets.

After a string of three straight starts at the hot corner, House will give way to Paul DeJong on Wednesday. Since the beginning of August, House is hitting just .178 with zero home runs, one stolen base, six RBI and three runs in 14 games. Though the Nationals remain committed to giving House an extended look at third base down the stretch, mining fantasy value from the rookie could prove difficult.

Mauricio is out of the lineup for Wednesday's game in Washington.

On the bench for a third straight contest, Mauricio looks to have faded into more of a part-time role after he had been serving as a near-everyday player coming out of the All-Star break. The downturn in playing time comes while Mauricio has mustered a weak .154/.214/.154 slash line since the beginning of August. The Mets appear to be prioritizing Brett Baty and Mark Vientos ahead of Mauricio while the former two players have been more productive at the plate so far this month.

Arenado (shoulder) could be cleared to resume hitting as soon as Thursday or Friday, Daniel Guerrero of the St. Louis Post-Dispatch reports.

Arenado has been rehabbing his right shoulder strain at the Cardinals' spring training complex in Florida and said Tuesday that he's "making strides" in his recovery. The veteran third baseman does not appear close to returning, however, as he has yet to resume hitting or throwing. The former is expected to occur later this week, and the latter could happen shortly thereafter. It seems unlikely at this point that Arenado will be back before September.

Baty went 1-for-3 with a walk and a solo home run in Tuesday's win over the Nationals.

The infielder took Jake Irvin deep in the sixth inning, one of four Mets long balls on the night in an 8-1 rout. Baty has been locked in of late, batting .375 (9-for-24) with three homers in his last seven games while splitting his time between third base and second base. On the season, he's set career highs with 14 home runs, 40 RBI and six steals through 98 contests, and his .727 OPS would be a career high as well.

Vientos went 1-for-4 with a two-run home run during Tuesday's 8-1 win over the Nationals.

Vientos has now gone yard in back-to-back starts after tagging Jake Irvin for a two-run shot as part of a five-run third inning. In his last 18 games, Vientos is 18-for-65 (.277) with three home runs, four doubles and 14 RBI. He's logged at least one hit in 15 of those 18 contests.

Marte went 2-for-4 with a solo home run and an RBI double in Tuesday's 6-4 win over the Angels.

Marte has logged four straight multi-hit efforts and has hit safely in 10 straight games. During the streak, he's gone 19-for-43 (.442) with three homers, six doubles and 11 RBI. He's been one of the Reds' most consistent hitters since returning from an oblique injury early in July. Marte is now slashing .302/.336/.527 with 10 homers, 39 RBI, 29 runs scored and seven stolen bases over 57 contests this season.

Riley (abdomen) felt more soreness during a workout Tuesday and is not expected to be activated from the 10-day injured list anytime soon, Gabe Burns of The Atlanta Journal-Constitution reports.

Riley has been sidelined for most of August with a strained lower abdominal muscle and continues to feel discomfort each time he attempts to ramp up activities. With Atlanta out of playoff contention, the club has little incentive to push its third baseman back onto the active roster. Consider Riley out indefinitely. Nacho Alvarez will continue to occupy the hot corner in Riley's absence.