Chicago Cubs first baseman Anthony Rizzo and catcher Willson Contreras got into an argument in the dugout during the Cubs’ 8-5 loss to the San Francisco Giants on Friday.

On the TV broadcast, Cubs manager David Ross was seen stepping between the two players. Ross walked with Rizzo back toward the clubhouse while Contreras stayed on the bench.

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Entering Friday, the Cubs — first in the National League Central Division — had won eight of 10, but Friday’s loss marked their first two-game losing streak since May 11-12, a span of eight series.