MLB First Inning Scoring Percentage Since 2004 (NRFI vs YRFI)
Over half of MLB games feature a first-inning run, with slightly less than half showing no run scored.

Over half of MLB games feature a first-inning run, with slightly less than half showing no run scored.

Should you bet early or wait? This guide explains when opening lines offer value, when late betting can improve your price, and how line movement and closing line value help evaluate sports betting market timing.