Bello (shoulder) has extended his throwing program to 90 feet and will undergo a strength test Sunday, Christopher Smith of MassLive.com reports.

Bello (shoulder) isn't yet throwing bullpens and isn't likely to be ready to pitch in games for at least a week, Chris Cotillo of MassLive.com reports.

Manager Alex Cora said Friday that Bello was shut down for a few days due to shoulder soreness but has resumed throwing, Christopher Smith of MassLive.com reports.

Bello came away with a no-decision in Tuesday's 6-5 extra-inning win over the Blue Jays, giving up two runs on two hits and two walks over four innings. He struck out four.

Bello (14-7) picked up the win Saturday, allowing one run on four hits and two walks in 5.1 innings in a 7-1 victory over the Yankees. He struck out two.

Bello (12-6) earned the win over Toronto on Wednesday, allowing two hits and one walk while striking out nine batters over eight scoreless innings.

The Red Sox activated Bello from the paternity list Monday, Jen McCaffrey of The Athletic reports.

The Red Sox placed Bello on the paternity list Friday, but Bello will return in time for his scheduled start Monday against Texas, Alex Speier of The Boston Globe reports.

Bello did not factor into the decision in a loss to the Dodgers on Saturday, allowing three runs on five hits and one walk over six innings while striking out seven.

Bello (9-5) picked up the win in Tuesday's 12-9 victory over the A's, giving up five runs on nine hits and two walks over 5.1 innings. He struck out a career-high 11.