The Cubs signed McGuire to a minor-league contract Wednesday, Aram Leighton of Just Baseball reports.

McGuire, who will turn 30 in March, sports a career .252/.300/.364 batting line over parts of seven major-league seasons. The veteran backstop will likely begin the 2025 campaign at Triple-A Iowa as catching depth.

The Blue Jays signed Bethancourt to a minor-league contract Wednesday that includes an invitation to spring training, Keegan Matheson of MLB.com reports.

Bethancourt joins the competition to serve as Toronto's backup catcher behind starter Alejandro Kirk. The 33-year-old had an .814 OPS in 24 games for the Cubs in 2024 after the Marlins cut him loose, but between the two stops managed just a .608 OPS.

Atlanta signed Casali to a minor-league contract Jan. 17 that includes an invitation to spring training, Aram Leighton of Just Baseball reports.

Atlanta has an opening at backup catcher behind Sean Murphy that Casali could potentially fill. The 36-year-old appeared in 41 games for the Giants in 2024, putting up a .543 OPS with one home run.

Knapp announced his retirement from professional baseball Sunday.

The 33-year-old broke the news on his personal Instagram account. Knapp played parts of seven seasons in the majors, slashing .209/.309/.312 with 13 home runs over 328 games between the Phillies, Pirates, Mariners and Giants.

Plawecki announced his retirement on his personal Instagram page Saturday.

Plawecki served as a backup catcher in the majors from 2015-2022 and was in a few minor-league systems for the last two campaigns. He ended his playing career with the Padres at Triple-A El Paso and also announced that he would remain with the team as a minor-league coach.

Knizner signed a minor-league contract with the Nationals on Friday and received an invitation to spring training, Andrew Golden of The Washington Post reports.

Knizner spent the majority of last season with the Rangers, slashing just .167/.183/.211 over 93 plate appearances before being DFA'd in August. He posted a .743 OPS with the Diamondbacks' Triple-A affiliate to close the season and will likely report to Triple-A Rochester to begin the 2025 campaign.

The Mariners outrighted Raposo to Triple-A Tacoma.

He's no longer on the 40-man roster but will remain in the organization as catching depth. Raposo, 26, has a career .241/.321/.387 slash line in the minors and has yet to see any action at the big-league level.

The Reds re-signed Wynns (shoulder) to a minor-league contract Jan. 13.

Wynns, 34, spent most of the 2024 season at Triple-A Louisville and suffered a season-ending teres major tear in his right shoulder in late July during one of his seven games with the Reds. It's not clear whether he'll be healthy for the start of spring training, but either way he's slated to begin 2025 at Louisville.

The Red Sox acquired Sabol from the Giants on Wednesday in exchange for international bonus pool space, Hunter Noll of Beyond the Monster reports.

Sabol had been designated for assignment but will now join a new 40-man roster. The 27-year-old has put up a .705 OPS over 121 games at the big-league level and is capable of playing the outfield in addition to catching. Sabol is likely to begin the 2025 campaign at Triple-A Worcester.

The Mariners acquired Hunt from the Orioles on Wednesday in exchange for cash considerations.

The 26-year-old had been designated for assignment. It's a homecoming of sorts of Hunt, who began last season in the Mariners organization before being traded to the Orioles. He's likely to begin the 2025 season at Triple-A Tacoma, where he'll represent catching depth.