By Matt Hladik Things got chippy late in the fourth quarter of today’s NFC West battle between the San Francisco 49ers and the Seattle Seahawks. It all started when San Francisco star linebacker Fred Warner intercepted a desperation heave by Seahawks quarterback Drew Lock. Warner took a few steps with the ball before being wrapped up by the Seahawks’ D.K. Metcalf. As Metcalf was trying to bring Warner down, the all-pro defender lateralled the ball to teammate Dre Greenlaw. Greenlaw took upfield, while Warner took exception to Metcalf slamming him to the turf even though he didn’t have the ball…