Steelers' Mike Tomlin sets NFL record with 15 consecutive non-losing seasons to begin coaching career | CBS Sports Headlines Steelers' Mike Tomlin sets NFL record with 15 consecutive non-losing seasons to begin coaching career The longtime Steelers coach beat the Browns to set the mark ESN FeedsThis post was originally … Continue reading Steelers' Mike Tomlin sets NFL record with 15 consecutive non-losing seasons to begin coaching career