Who threw the filthiest slider of 2021?
See sliders from Lance McCullers, Collin McHugh, Shohei Ohtani, Chris Sale, Josh Hader, minor leaguer Matt Brash, Blake Treinen, Tyler Rogers, Alek Manoah, and Tanner Houck. All are filthy pitchers with nasty sliders.
But, the filthiest slider in major league baseball for 2021? The winner is Tanner Houck and his slider to Brett Gardner.