Sims, Florida State's sophomore linebacker, recorded a pair of big hits during the Seminoles' half-scrimmage Wednesday in Doak Campbell Stadium.
"It took me a little time to get back in the groove and everything. I am a little rusty but I think I will be straight the next couple of days," said Sims, who was held out for few days after suffering a mild concussion.
"I feel great. My head feels real light right now. I feel light on my feet. I am ready to hit somebody, ready to knock somebody out again. Some plays I busted but that's part of football."
Sims admits his tackling technique needs a little work -- he leads with his helmet, which, of courses, absorbs the contact. He is trying to tackle more with his shoulder.
A smiling Sims, however, says he doesn't want to change too much.
"I have a tendency to lead with my head a lot. I've been doing that since high school," Sims said.
"I am trying to train myself to lead with my shoulder. I just lead with my head all the time. I always do it. I've been watching film trying to correct myself.
"But I really don't want to change it too much. I don't want to change the way I play. My aggressiveness and everything. I am just trying to improve my tackling technique. I just want to keep hitting people hard."