49ers O-linemen enjoy TD celebration participation, hope for more

SANTA CLARA — Aaron Banks obviously has spent some time considering the topic. "What's the key to a good spike?" the 49ers left guard said, repeating the question posed to him. "First, you got to have the build-up. If you have a bad windup, it takes away from it a little bit. "And when you spike it, and you're watching film, it's got to leave the screen. If you spike it and it goes deadball and is flat, it's a bad spike. If it gets some air under it, it's a good spike." Banks and the 49ers' other offensive linemen have received opportunities to display their spiking prowess, courtesy of running back Christian McCaffrey and quarterback Brock Purdy, over the past couple of games. That's because, after scoring touchdowns, McCaffrey and Purdy sought out the big fellows to take center stage in the end-zone celebrations. "The running backs really started that," Purdy said. "They score a touchdown, and they give it to the guys who do the work, the dirty work, who don't get all the glory." Right tackle Colton McKivitz had his chance after McCaffrey scored his first touchdown of the 49ers' Week 3 win over the New York Giants. McKivitz emphasized his windup to the point that he almost...