Mathis, who is still recovering from a torn Achilles he suffered in September, is still hoping to participate in at least a portion of spring OTAs, his agent told NFL.com.Mathis' agent, Hadley Engelhard, refuted an ESPN report that his client recently had a setback. Still, it's not clear if Mathis at age 34 will be able to fully recover from the surgery. We'll need to see how he holds up in practice when he does return to determine if he'll be an impact player again.