McKinstry went 2-for-3 with a walk, a triple, a run scored and two RBI in Monday's 10-8 loss to the Mets.

McKinstry continued his nice stretch at the plate, as he's now batting .323 over his last 10 games with a home run, five RBI and six runs scored. Monday's triple was the utility player's 11th of the season, which is seven more than anyone else on the team. On the year, McKinstry is now sporting a .789 OPS, which would be a new career best.

Harris is out of the lineup for Monday's game against the Cardinals.

Harris had been seeing fairly steady playing time at third base following his call-up from Triple-A Las Vegas on Aug. 15, but he appears to have faded into a reserve role in the wake of fellow infielder Zack Gelof getting a promotion last Monday. With Gelof starting at second base in all seven of the Athletics' games since his call-up, Darell Hernaiz has shifted over to third base on a more frequent basis.

Moncada is not in the lineup for Monday's game in Houston, Jeff Fletcher of The Orange County Register reports.

Moncada started each of the first three games of the series but will take a seat in Monday's finale. Oswald Peraza will handle third base and bat second for the Halos.

The Red Sox transferred Mayer (wrist) from the 10-day injured list to the 60-day IL on Monday, Mac Cerullo of the Boston Herald reports.

Mayer is out for the season after undergoing a right wrist arthroscopy last month, so his move to the 60-day injured list is merely a formality. The transaction clears room on the 40-man roster for catcher Ali Sanchez, whom the Red Sox acquired in a trade with the Mets on Sunday.

Jung went 2-for-5 with a solo home run and an RBI double during Sunday's 9-6 win over the Athletics.

Jung has a hit in eight consecutive games and has notched multiple hits six times during that stretch. He's recorded two homers along with three doubles and is 17-for-34 (.500) across those eight games. The third baseman endured a 5-for-43 (.116) slump immediately before catching fire.

Mead will start at third base and bat sixth in Sunday's game against the Yankees.

Mead will be making his fourth consecutive start after going 2-for-11 with a double and two runs over the previous three contests. The 24-year-old should be in line for a near-everyday role at the hot corner while Miguel Vargas (hand) is on the injured list.

McMahon is out of the lineup for Sunday's game against the White Sox.

McMahon will exit the starting nine while the White Sox send southpaw Martin Perez to the hill. Amed Rosario will replace McMahon at third base.

Clement (finger/shin) will start at third base and bat sixth Sunday against the Brewers.

Clement was held out of the starting nine the past couple days due to a hairline finger fracture and a laceration to his left shin, but he's ready to rejoin the lineup for Sunday's series finale. The 29-year-old's average has dipped in August as he's batting .247 in 24 games, though he still has a .729 OPS this month thanks to four home runs.

Jung went 3-for-5 with two doubles, two RBI and two runs scored in Saturday's 9-3 win over the Athletics.

Jung delivered RBI doubles in the third and seventh innings. The third baseman has rattled off three straight three-hit games, and he's batting .517 (15-for-29) during his seven-game hitting streak. He's up to a .257/.302/.395 slash line, 12 home runs, 51 RBI, 42 runs scored, 15 doubles and four stolen bases over 106 contests this season, and his recent strong play should keep him locked into a starting role.

Harris isn't in the lineup for Saturday's game against the Rangers.

Harris will miss a second consecutive start since going 2-for-3 with a walk and three runs scored during Wednesday's game against Detroit. Darell Hernaiz will get the nod at third base instead and bat eighth.