Red Sox lose Ryan Weber on waivers to Brewers

Weber, 30, was designated for assignment by Boston on Monday, one day after getting lit up for 11 runs on 13 hits — four of which were home runs — two walks, and seven strikeouts over 5 2/3 innings of relief in Sunday’s 18-4 loss to the Blue Jays at Fenway Park, which was also his 2021 debut.

Designating Weber for assignment allowed the Red Sox to both recall infielder Michael Chavis from Triple-A Worcester to take his spot on the 26-man roster as well as acquire righty reliever Yacksel Rios from the Mariners to take his spot on the 40-man roster.

Chavis has since been optioned back down to the WooSox, while Rios will be activated by Boston ahead of Wednesday’s series finale against the Braves in Atlanta.

In parts of three seasons with the Red Sox (2019-2021), Weber posted a 5.54 ERA, a 5.27 FIP, and strikeout-to-walk ratio of 63:24 over 36 appearances (eight starts) spanning 89 1/3 total innings of work.

He was certainly far more effective as a reliever than as a starter during his tenure with Boston, Sunday’s outing notwithstanding.

While he does join the Brewers’ 40-man roster, Weber has been assigned to Milwaukee’s Triple-A affiliate in Nashville.

On that note, it should be added that the Red Sox now have full 26-man and 40-man rosters, as MassLive.com’s Chris Cotillo pointed out here.