Rule change could spell end for baseball's lefty specialists

MLB rule changes 2021: Shift restrictions, pitch clock, extra innings - Sports Illustrated

New MLB rules 2023: Shift ban, pitch clock, larger bases, more

How MLB's new rules are shaping the 2022-23 offseason and changing the art of team building - The Athletic

MLB new rule changes: Everything you need to know - Sports Illustrated

The Data Behind MLB's 2023 Rule Changes - by Joe Pompliano

The end of the lefty specialist? Why MLB's three-batter rule might not mean what you think - ESPN

MLB's rule changes mean a decline in lefty relievers - Sports Illustrated

2023 MLB rule changes - Pitch clock, end of shift and more - ESPN

Rule Changes Mean Value Changes For Many Players - Athletics Nation

MLB 2020 Rule Changes Extra Inning Rule - Baseball Rules Academy

MLB experimenting with new rules across minor leagues in 2021

MLB rule changes 2021: Shift restrictions, pitch clock, extra innings - Sports Illustrated