Kelley L Cox-USA TODAY Sports

The Red Sox have reinstated right-hander Tanner Houck and outfielder Jarren Duran from the restricted list, the team announced Thursday afternoon. In order to make room for Houck and Duran on the 26- and 40-man rosters, infielder Yolmer Sanchez was returned to Triple-A Worcester while reliever Silvino Bracho was designated for assignment.

Houck and Duran were unable to travel with the Red Sox to Toronto for their series against the Blue Jays since they are both not vaccinated against COVID-19. They instead spent the last three days working out at Fenway Park before re-joining the team in Chicago for their upcoming bout with the Cubs.

Because of their unvaccinated status, Houck and Duran were placed on the restricted list on Monday and did not receive any pay or service time while they were on it. In their place, Sanchez and righty Connor Seabold were called up from Worcester.

Sanchez got the start at second base on Wednesday and went 0-for-1 with a sacrifice bunt and walk before being pinch-hit for by Bobby Dalbec in the ninth inning of a 6-5 win.

Seabold made his second career start in Monday’s series opener at Rogers Centre, allowing seven runs on nine hits, one walk, and seven strikeouts over 4 2/3 innings of work. The 26-year-old was optioned back down to the minors that night, but remains with the big-league club as a member of their taxi squad and is likely to start against the Cubs on Sunday.

In Seabold’s place, Bracho — who had been on Boston’s taxi squad — was activated on Tuesday to provide the Sox with an extra bullpen arm for their final two games against the Jays. The 29-year-old did not make an appearance despite spending two days on the major-league roster, however, and has now lost his spot on the 40-man.

Unlike Sanchez, who as a COVID-related substitute for Duran was able to be taken off the 40-man roster and returned to Worcester without being exposed to waivers, Bracho was expectedly designated for assignment since he was not directly filling in for a player on the restricted list.

By designating Bracho, the Red Sox created the opening they needed to add Houck back to both the 26-man and 40-man rosters. Boston will now have the next seven days to either trade, release, or waive Bracho, who has posted a 3.16 ERA and 2.58 FIP with 36 strikeouts to four walks in 18 appearances (1 start) spanning 31 1/3 innings of work for the WooSox this season.

That being said, the native Venezuelan has the ability to reject an outright assignment to Worcester if he goes unclaimed since he has accrued more than three years of big-league service time.

All told, the Red Sox’ big-league and 40-man roster is at full capacity heading into this weekend’s series against the Cubs at Wrigley Field.

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