What happened: Joe Fagnano took over under center for the Baltimore Ravens after an in-game toe injury prompted a change at quarterback. The rookie out of UConn was pressed into action as the team's emergency depth option.

Why it matters: Baltimore trailed 13-7 with the contest in progress, leaving the offense in the hands of an untested rookie. The sudden substitution tests the depth of the Baltimore roster in live competition.

What to watch: Watch for updates on the severity of the toe injury and how Baltimore adjusts its offensive game plan with Fagnano under center.