Manager Joe Maddon revealed that Upton is dealing with a calf issue, which is part of the reason he is not starting Tuesday against Baltimore, Jack Harris of the Los Angeles Times reports.

EDGE Analysis

While the calf issue may be the decisive factor in Upton not starting Tuesday, the veteran outfielder also has just seven hits in 50 August at-bats. Juan Lagares takes his spot in the outfield Tuesday, and he can be considered day-to-day going forward.

Upton will sit Friday against Cleveland.

EDGE Analysis

Upton no longer has an everyday role, as he's now been on the bench for six of the Angels' last 11 games. Jo Adell will shift to left field Friday, with Juan Lagares starting in right.

Upton went 1-for-4 with a two-run home run Wednesday in a win over the Tigers.

EDGE Analysis

The slugger got to Detroit starter Tarik Skubal for a two-run blast in the first inning, marking his second straight game with a homer. Upton is up to 17 long balls on the campaign, though his batting average stands at an unsatisfying .225. In 11 games this month, the veteran is slashing just .179/.256/.333.

Upton is not starting Tuesday against the Tigers, Jack Harris of the Los Angeles Times reports.

EDGE Analysis

Upton has slashed an abysmal .155/.221/.268 since returning from a back injury in late July, and he'll now sit for the fifth time in eight games. Jo Adell, Brandon Marsh and Juan Lagares will start in the outfield from left to right.

Upton went 1-for-4 with two strikeouts in Monday's 2-1 loss to the Yankees.

EDGE Analysis

Upton has seen his playing time decrease recently, as he had been out of the lineup in four of the six games leading up to Monday's contest against the Yankees. However, the 33-year-old provided the Angels with their only run of the game Monday with his solo shot in the top of the first inning. Upton has struggled to get into a rhythm across the last month, as he's slashed .155/.221/.268 with two homers, six runs, five RBI and a stolen base in 19 games since the All-Star break.

Upton will sit Saturday against the Astros, Daniel Guerrero of MLB.com reports.

EDGE Analysis

Upton finds himself on the bench for the fourth time in five games. He's struggled significantly since returning from a back injury in late June, hitting .143/.217/.222. Jo Adell starts in left field in his absence, with Adam Eaton starting in right.

Upton is not in Friday's lineup against the Astros, Jack Harris of the Los Angeles Times reports.

EDGE Analysis

Upton is hitting .148 with seven strikeouts in eight games this month. Juan Lagares will start in left field and bat eighth.

Upton isn't starting Wednesday's game against the Blue Jays, Daniel Guerrero of MLB.com reports.

EDGE Analysis

Upton went 2-for-4 with two RBI, a run and a stolen base in the first game of Tuesday's doubleheader, but he didn't appear in the nightcap. Jo Adell will shift to left field while Adam Eaton starts in right.

Upton is out of the lineup for Game 2 of Tuesday's doubleheader against Toronto.

EDGE Analysis

Upton went 2-for-4 with two RBI and a run scored in Game 1, and he'll take a seat for the nightcap. Juan Lagares will start in left field in Game 2 for the Halos.

Upton is out of the lineup Sunday against the Dodgers.

EDGE Analysis

Upton is 2-for-18 over his past five games and will head to the bench Sunday. Jo Adell, Brandon Marsh and Adam Eaton will start from left to right in the outfield for the Angels in the series finale.