On October 15, 1978, against the Miami Dolphins, he was blinded after being poked in the eye while going up for a wobbly pass from quarterback Dan Fouts. He missed the next two games before returning, wearing prescription goggles for protection. On November 12 against the Kansas City Chiefs, Jefferson caught a 14-yard touchdown pass with no time remaining while slipping in a wet end zone for a 29–23 overtime victory.
On October 15, 1978, Jefferson was blinded by a wobbly pass from quarterback Dan Fouts during a game against the Miami Dolphins. He missed two games before returning to play wearing protective goggles. On November 12, he caught a touchdown pass with no time remaining while slipping in a wet end zone for a 29–23 overtime victory against the Kansas City Chiefs.