PITTSBURGH—The Cleveland Browns knew they had been eliminated from playoff contention entering a Monday night showdown against their AFC North rival Pittsburgh Steelers. But a battered Baker Mayfield wanted to lead his team to a winning record. Now, that it’s not possible, following a 26–14 defeat against the Pittsburgh Steelers, Mayfield may be ready for a rest. “There was an opportunity to win, and I’m an extremely competitive guy,” Mayfield said. “Now, it’s time for me to look at what’s in the best interest of me and my health. I haven’t been healthy and I tried to fight for my guys. Right now, I’m pretty damned beat up to be honest with you. I gave it everything I had tonight.” Mayfield was sacked nine times by the Steeler defense. That included four from T.J. Watt, who has a league-high 21 sacks, one short of the NFL record set by Hall …