What is a balk in baseball? When a pitcher starts toward home and freezes with a runner aboard, that interrupted delivery is a balk: an illegal pitching action that usually gives each runner one base. The baseball balk rule also covers improper pickoff moves, and MLB’s disengagement limit adds another way for a pitcher…

What is OPS in baseball? OPS stands for on-base plus slugging: it adds on-base percentage (OBP) and slugging percentage (SLG) to show how often a hitter reaches base and how much power their hits produce. Two hitters can both bat .300, yet one collects singles while the other hits doubles and draws walks; OPS…