1:04 PM - Cooper Criswell (BOS) Red Sox optioned Criswell to Triple-A Worcester on Saturday, Jen McCaffrey of Athletic reports.

6:46 PM - Cooper Criswell (BOS) did not factor into the decision Sunday, tossing a perfect four innings while striking out five against the Tigers.

9:50 AM - Cooper Criswell (BOS) came away with a no-decision in Tuesday's 6-3 win over the Blue Jays, allowing one run on five hits and three walks over 3.1 innings. He failed to strike out a batter.

5:42 PM - Cooper Criswell (BOS) didn't factor into the decision Wednesday against the Astros, allowing one run on four hits and a walk over 4.2 innings. He struck out four.

7:03 PM - Cooper Criswell (BOS) is scheduled to start Wednesday's game against the Astros in Houston.

11:03 PM - Cooper Criswell (BOS) (5-4) picked up the win Friday's 12-10 against the Orioles, allowing six runs on nine hits and four walks over 3.1 innings. He struck out one.

4:15 PM - Cooper Criswell (BOS) Red Sox activated Criswell from the COVID-19 injured list Friday, Gabrielle Starr of the Boston Herald reports.

4:39 PM - Cooper Criswell (BOS) Sox manager Alex Cora said Thursday that Criswell (illness) is expected to be ready to start Friday in Baltimore, Chris Cotillo of MassLive.com reports.

4:52 PM - Cooper Criswell (BOS) might not be ready to return when his minimum seven-day stay on the COVID-19 injured list is up Friday, Gabrielle Starr of the Boston Herald reports.

4:36 PM - Cooper Criswell (BOS) Red Sox placed Criswell on the COVID-19 injured list Friday, Alex Speier of Boston Globe reports.

1:32 PM - Cooper Criswell (BOS) will join Boston's bullpen after the team announced James Paxton is scheduled to start Tuesday, MLB.com reports.

10:36 AM - Cooper Criswell (BOS) is slated to start Tuesday's game against the Rockies at Coors Field.

3:18 PM - Cooper Criswell (BOS) Red Sox recalled Criswell from Triple-A Worcester to start Friday's game against the Royals, Jen McCaffrey of Athletic reports.

4:39 PM - Cooper Criswell (BOS) could be recalled from Triple-A Worcester to start Friday against the Athletics, Alex Speier of The Boston Globe reports.

5:02 PM - Cooper Criswell (BOS) Red Sox optioned Criswell to Triple-A Worcester on Tuesday, Jen McCaffrey of Athletic reports.

7:53 AM - Cooper Criswell (BOS) (3-2) picked up the win Saturday, allowing one run on four hits and a walk over five-plus innings. He struck out five.

4:51 PM - Cooper Criswell (BOS) (2-2) took the loss Monday against Baltimore, yielding seven runs (six earned) on six hits and one walk in four innings. He struck out two.

7:29 PM - Cooper Criswell (BOS) did not factor into the decision Saturday versus the Nationals, permitting two runs on three hits and a walk over five frames. He struck out nine.

9:58 AM - Cooper Criswell (BOS) (2-1) picked up the win in Tuesday's 4-0 victory over the Giants, scattering two hits and a walk over five scoreless innings while striking out four.

8:50 PM - Cooper Criswell (BOS) will draw the start Wednesday against the Guardians, Rob Bradford of WEEI.com reports.

7:35 PM - Cooper Criswell (BOS) (0-1) took the loss Thursday against the Guardians, allowing four runs (one earned) on three hits and a walk over 2.1 innings.

9:21 AM - Cooper Criswell (BOS) is slated to work in bulk relief behind opening pitcher Brennan Bernardino in Thursday's game against the Guardians, Jen McCaffrey of The Athletic reports.

10:37 AM - Cooper Criswell (BOS) Sox manager Alex Cora said Monday that he's considering a bullpen game Thursday versus the Guardians rather than starting Criswell, Mac Cerullo of the Boston Herald reports.

12:04 PM - Cooper Criswell (BOS) was called up from Triple-A Worcester to start Saturday's game against the Angels, Chris Cotillo of The Springfield Republican reports.

3:08 PM - Cooper Criswell (BOS) has joined the Red Sox' taxi squad and is expected to start Saturday against the Angels, Ian Browne of MLB.com reports.

4:05 PM - Cooper Criswell (BOS) Red Sox optioned Criswell to Triple-A Worcester on Friday, Chad Jennings of Athletic reports.

9:06 AM - Cooper Criswell (BOS) allowed two hits and struck out four over four scoreless innings in Thursday's spring start against Baltimore.

12:17 PM - Cooper Criswell (BOS) allowed two runs on four hits and one walk while striking out three over four innings in Saturday's spring start against the Orioles.

7:22 AM - Cooper Criswell (BOS) allowed two hits and struck out four over 3.2 scoreless innings in Monday's spring start against Pittsburgh.

10:33 AM - Cooper Criswell (BOS) will enter spring training prepared to be a starting pitcher, Christopher Smith of MassLive.com reports.