Ohtani threw a 35-pitch bullpen session Saturday, Fabian Ardaya of The Athletic reports.
Simmons is not in the starting lineup for Saturday's game against the Astros.
Smith was reinstated from the injured list Saturday.
Calhoun went 4-for-4 with a double, a solo home run and a second run scored in Friday's 5-4 loss to the Astros.
Adell will play for the Mesa Solar Sox in the Arizona Fall League this season, Fabian Ardaya of The Athletic reports.
Stassi isn't starting Friday's game against the Astros.
Tovar was designated for assignment by the Angels on Friday.
Simmons (ankle) was activated from the 10-day injured list ahead of Friday's game against the Astros.
Canning was diagnosed with mild inflammation of his right elbow joint and he will be shut down for the rest of the season.
Mejia cleared waivers and was outrighted to Triple-A Salt Lake on Thursday.
Robles was dinged with a blown save in Wednesday's loss to Texas, allowing one hit in two-thirds of an inning while striking out one.
Pujols went 2-for-5 with a double, two RBI and a run Wednesday in the Angels' 8-7 loss to the Rangers.
Fletcher went 3-for-5 with a double and two runs scored in Wednesday's 8-7 loss to the Rangers.
Adell slugged a pair of homers Wednesday but neither will count in his official statistics as the game was called early due to rain.
Simmons (ankle) took at-bats in a simulated game Wednesday, Maria Torres of the Los Angeles Times reports.
Middleton (elbow) is scheduled for another minor-league rehab appearance Wednesday, Maria Torres of the Los Angeles Times reports.
Canning was placed on the injured list Wednesday with right elbow inflammation, Jeff Fletcher of The Orange County Register reports.
Smith (back) is not in Wednesday's lineup against the Rangers.
Thaiss is not starting Wednesday against the Rangers.
Ohtani is not in the lineup Wednesday against the Rangers.
Goodwin went 1-for-4 with a solo home run in a 3-2 extra-innings loss to the Rangers in the second game of Tuesday's doubleheader.
Barrie didn't factor into the decision in a 3-2 extra-innings loss to the Rangers during the second game of Tuesday's doubleheader, allowing two runs on five hits and a walk over five innings while striking out four.
Calhoun isn't in the starting lineup for Game 2 of Tuesday's doubleheader against the Rangers, Jeff Fletcher of The Orange County Register reports.
Thaiss isn't in the starting lineup for Game 2 of Tuesday's doubleheader against the Rangers, Jeff Fletcher of The Orange County Register reports.
Trout went 2-for-4 with a two-run homer and a triple in Tuesday's 5-1 win over the Rangers in the first game of a doubleheader.