So Nelson donned No. 3 and Lark put on No. 13, as part of a low-key April Fool's stunt.
"James and I couldn't think of anything elaborate," said Nelson, who throws left-handed. "We just switched them for fun. I was warming up right-handed trying to fool the cameras."
Toward the end of practice, during a two-minute drill, Nelson led the offense on a drive that resulted in a 16-yard touchdown pass to freshman tight end Devin Mahina.
It marked the first time Nelson had been able to engineer a TD drive during a two-minute situation this spring — no foolin'.
"It felt really good," he said. "I hadn't been able to complete the objective yet in the two-minute drill, so to be able to do that was really good."