Casas (ankle) was reinstated from the 7-day injured list at Triple-A Worcester on Friday, Joe McDonald of the Worcester Telegram & Gazette reports.

Triple-A Worcester is expected to reinstate Casas (ankle) from its 7-day injured list this weekend, Alex Speier of The Boston Globe reports.

Casas (ankle) is scheduled to begin a rehab assignment Tuesday with the Red Sox's rookie-level Florida Complex League affiliate, Alex Speier of The Boston Globe reports.

Casas (ankle) began a hitting and fielding progression Monday, Steve Hewitt of the Boston Herald reports.

Red Sox manager Alex Cora said Sunday that Casas is receiving regular treatment for his sprained right ankle, but the 22-year-old is not yet close to returning to the lineup at Triple-A Worcester, Jen McCaffrey of The Athletic reports.

Casas (ankle) has been able to run but only with the help of an anti-gravity treadmill, Katie Morrison of The Springfield Republican reports.

Casas (ankle) has yet to resume swinging a bat or taking part in agility work and isn't expected to be activated from Triple-A Worcester's 7-day injured list at any point this week, Alex Speier of The Boston Globe reports.

Triple-A Worcester placed Casas (ankle) on its 7-day injured list Sunday, Christopher Smith of The Springfield Republican reports.

Casas exited Tuesday's game with Triple-A Worcester for precautionary reasons after tweaking his ankle, Joe McDonald of the Worcester Telegram & Gazette reports.

Chief baseball officer Chaim Bloom said the Red Sox want Casas to be at Triple-A long enough for pitchers to get a chance to adjust to him so that he can make adjustments of his own, Christopher Smith of MassLive.com reports. "One of the things about the game today more than at any point maybe ever, certainly at any point I've been in it, is when you get to the major leagues, there is already a book on you," Bloom said. "And you will get attacked the way you should be attacked from pitch one. So going through that period of making those adjustments is really important."

Casas was not considered for a promotion when the Red Sox opted to call up Franchy Cordero, Chris Cotillo of The Springfield Republican reports.

Casas was invited to Boston's major-league spring training Saturday.

Casas was promoted to Triple-A Worcester from Double-A Portland on Monday, Chris Cotillo of The Springfield Republican reports.

Casas went 2-for-3 with two walks, two home runs and four RBI for Double-A Portland on Saturday.

Casas hasn't hit a homer since May 23, batting just .222/.311/.278 -- a .589 OPS -- across 25 games for Double-A Portland in that span.

Casas went 2-for-3 with a walk, two runs, a stolen base and an RBI in Double-A Portland's 9-8 win over New Hampshire on Tuesday.

Casas went 4-for-6 with two home runs, six RBI and three runs scored for Double-A Portland in Wednesday's win over Hartford.

Casas was reassigned to minor-league camp Wednesday, Chris Cotillo of The Springfield Republican reports.

Casas went 0-for-2 in Sunday's spring game against the Twins.

Casas received full clearance to participate in all activities and could play in a spring game this weekend, Ian Browne of MLB.com reports.

Casas (undisclosed) rejoined the Red Sox for workouts Tuesday, Jen McCaffrey of The Athletic reports.

Casas (undisclosed) is going through intake screening to return to the Red Sox's spring facility, Chris Cotillo of The Springfield Republican reports.

Casas is in Boston on Thursday getting a non-baseball medical issue checked out, Chris Cotillo of The Springfield Republican reports.

Casas received an invitation to Boston's major-league spring training Tuesday, Chris Cotillo of The Springfield Republican reports.

Casas joined the Red Sox's player pool Monday, Chris Cotillo of The Springfield Republican reports.

Casas will return to High-A Salem whenever the 2020 season begins, Ian Cundall of SoxProsepcts.com reports.

Casas was named the Offensive Player of the Year in the Red Sox minor-league system, Christopher Smith of MassLive.com reports.

Casas went 4-for-5 with a home run, double and four RBI on Monday in Low-A Greenville's 9-2 win over Kannapolis.

Casas went 0-for-1 with a walk and a strikeout in Sunday's game against the Rays.

Casas (thumb) took batting practice at Boston's minor-league camp Friday, Christopher Smith of MassLive.com reports.

Casas underwent season-ending surgery to repair the ulnar collateral ligament in his right thumb Thursday, Evan Drellich of NBC Sports Boston reports.

The Red Sox have selected Casas with the 26th overall pick in the 2018 first-year player draft.