Criswell 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.

Criswell (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.

Criswell will draw the start Wednesday against the Guardians, Rob Bradford of WEEI.com reports.

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

Criswell 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.

Red 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.

Criswell was called up from Triple-A Worcester to start Saturday's game against the Angels, Chris Cotillo of The Springfield Republican reports.

Criswell has joined the Red Sox' taxi squad and is expected to start Saturday against the Angels, Ian Browne of MLB.com reports.

The Red Sox optioned Criswell to Triple-A Worcester on Friday, Chad Jennings of The Athletic reports.

Criswell allowed two hits and struck out four over four scoreless innings in Thursday's spring start against Baltimore.