The White Sox claimed right-hander Tayron Guerrero off waivers from the Miami Marlins Friday.
The 6-8 Guerrero, 28, was designated for assignment by Miami on Dec. 2 after posting a 6.26 ERA over 46 innings of relief. According to FanGraphs, his average fastball velocity of 99.4 led all major league pitchers with a minimum of 40 innings, but he also issued 36 walks and allowed 42 hits.
Guerrero’s 52 relief appearances were tied for the third on the Marlins. His fastball in 2018 ranked third in average velocity (98.8) and topped out at 104 mph, but he has struggled to be effective in parts of three seasons with the Padres and Marlins, pitching to a 5.77 career ERA.
The Sox’ 40-man roster increases to 37.
