Cooper Williams is LSU’s rising lefty with real swing-and-miss juice and rotation upside
In the 2025 season, Cooper Williams posted a 1.80 ERA in 20 appearances for LSU, striking out 21 batters in 20.0 innings while holding opponents to a .186 average; in 2026, writers noted his improving secondary pitches and better control, with LSU viewing him as a versatile left-hander who can work both late innings and, potentially, the weekend rotation[7][9][15]. He was also ranked No. 45 among Perfect Game’s 2026 sophomores, which tracks with the buzz: a 6-foot-4 southpaw with pro-level pedigree, toughness, and enough ceiling to matter if your team needs a valuable matchup piece[1][12].
