SANTA CLARA, Calif. — When Mitch Trubisky saw the 49ers were going to play more zone defense, he thought: “Playmakers not plays.”



That meant trusting Allen Robinson, who returned to the game after getting the wind knocked out of him on a 43-yard diving catch in the first quarter. Just as the Bears hoped when they signed Robinson to a sizable free-agent deal in the offseason, the two linked up six times, including four third-down conversions, in a 14-9 win at Levi’s Stadium.



“Especially at the end, you’re thinking playmakers not plays, and when you’ve got the matchup you want and you’ve got a guy like Allen on the outside who you have that trust in, you just let him work a little bit and put the ball in a spot where only he can go grab it,” Trubisky said. “He separates and makes big plays for this offense and I’ve got a lot of trust in a lot of guys in this offense and that was just the matchup we...