The 49ers faithful got its of Jimmy Garopollo on Sunday, after starting quarterback C.J. Beathard suffered Christian Yelich Jersey an injury in the fourth quarter against the . Garopollo went 2-for-2 for 18 yards and a touchdown, but the small sample size didn't diffuse the fan base's excitement. Rookie linebacker , however, took some i sue with how fans reacted to Beathard's injury in his postgame interview. Reuben Foster on crowd's reaction late in the game... Matt Maiocco (@MaioccoNBCS) Foster didn't take i sue with the way the fans reacted to Garoppolo at all. "When Jimmy goes out there, you cheer," Foster said. "Give him the pep talk. Let him know that y'all behind him."However, where he started to get upset was when he talked about the crowd's immediate reaction to Beathard going down. Orlando Arcia Jersey "Let us know that you're behind our quarterback too, C.J," he continued. "Because that's the one who's been hurting. Fighting for us. For the organization -- for the Niners organization ... It's all about respect."Foster went as far to say he was disappointed in the fans. "Our fans are better than that, it's just the fact that -- you know -- our starting quarterback is down who's been making plays and really taking his body into a lot of the things the quarterback really shouldn't be getting into like running and getting hit ..." Finally, Foster praised Garoppolo and said, despite the circumstances, he's glad he's getting a chance. "Jimmy, great guy," he said. "I don't wanna take anything from -- great Milwaukee Brewers Hats guy. I'm happy he was out on the field. I was rooting for him too, but at the same time I have to wait, and make sure my brother on the ground straight before I cheer for Jimmy." also took i sue with the cheering, saying that he was upset with the fans as well. Eric Reids comments regarding fans cheering while CJ Beathard was injured and still laying on the ground. Jennifer Lee Chan (@jenniferleechan) "I'll use the same word disappointed, that's a strong word, and I'd probably use that," he said. "Our starting quarterback got hurt Corey Knebel Jersey and people are cheering before he even stands up, and that pi ses me off, so I'm disappointed in our fans -- I understand the excitement about Jimmy, he's a great player, but that's not right." Beathard has thrown for 1,430 yards, four touchdowns and six interceptions in a throwaway season for the 49ers. It's been a tough season in San Francisco, Matt Garza Jersey but the trade for Garoppolo at the deadline has revitalized the fan base. Naturally fans were excited to see their potential QB of the future play, although it's clear that the players wanted them handle their excitement a bit more tastefully.