 His current broadcast partner is Thom Brennaman, although he occasionally works with Jeff Brantley, George Grande, Jim Day, or Jim Kelch, as well as also doing some games on the radio with Hall of Fame broadcaster Marty Brennaman.On May 4, 2018, Welsh coined the phrase "Pac-Man Ball" to describe a high and inside fastball thrown by Cincinnati Reds pitcher Sal Romano to Lewis Brinson of the Miami Marlins.Welsh compared the movement of the pitch to the Namco video game character, Pac-Man, as it "ate up Brinson's fingers" in a way reminiscent of the video-game character.