White Sox to acquire pitcher in trade with crosstown rival

Bailey Horn.

The White Sox and Cubs have agreed on a trade sending left-hander Bailey Horn from the Cubs to the Sox in exchange for minor league righty Matt Thompson, report Sahadev Sharma and Ken Rosenthal of The Athletic.

Sharma reported last night that the Cubs were exploring deals to trade a pitcher off the backend of their 40-man roster to open a spot for the newly re-signed Cody Bellinger.

Horn, 26, will return to the club that originally selected him in the fifth round of the 2020 draft. He pitched in the Sox system for a portion of the 2021 season but was traded to the Cubs in exchange for veteran reliever Ryan Tepera just over a year after being drafted.

Current Sox general manager Chris Getz was the team’s farm director in 2020-21 and saw plenty in Horn to like, given that he’s now reacquired the lefty.

Horn split the 2023 season between the Cubs’ Double-A and Triple-A affiliates, pitching to a combined 4.21 ERA in 65 innings out of the bullpen. He fanned a hearty 28.7 percent of his opponents but struggled with his command, issuing walks at a 12.5 percent clip.

Baseball America ranked him 28th among Cubs farmhands this season, touting a fastball that sits 94-96 mph and a pair of potentially above-average breaking balls (a plus slider and a solid curveball).

However, BA’s report also noted that Horn has a “violent arm action that yields well below-average control and significant injury risk.”

Now back with the South Siders, Horn will give the Sox a near-term option in the bullpen. He’s pitched exclusively in relief in each of the past two seasons and was only just added to the 40-man roster this offseason, meaning he has a full slate of three minor league option years remaining.

In exchange for Horn, the Cubs will receive the 23-year-old Thompson — a starting pitching prospect whom the White Sox selected in the second round of the 2019 draft.

He started 27 games at the Double-A level in 2023, pitching to a 4.85 ERA with a 23.9 percent strikeout rate, 15 percent walk rate and 40.7 percent ground ball rate.

Scouting reports on Thompson tout a heater that reaches 97 mph and a potentially plus curveball, but like Horn he’s working to overcome below-average command. Baseball America tabbed him 30th among ChiSox prospects heading into the 2024 season.

Much like Horn, Thompson is a project who’s reached the upper minors but will likely need to make some refinements before earning a look at the MLB level.

He’s pitched 109 and 124 innings, respectively, over the past two seasons. He could join the rotation in Double-A Tennessee or Triple-A Iowa and will provide the Cubs with some upper-level rotation depth.

The Cubs are increasingly deep in that regard, with names like Jordan Wicks, Hayden Wesneski, Ben Brown and Javier Assad all in the mix for their final rotation spot and top prospect Cade Horton rapidly climbing the organizational ladder.

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