San Diego Chargers receiver Keenan Allen is one of the breakout stars of this season, a favorite to win NFL offensive rookie of the year. But in September he was just a guy near the bottom of the depth chart.

He was a college star at Cal, but three games into the season the third-round pick had three catches for 30 yards. He didn't even play in the season opener.

According to the San Diego Union-Tribune, Allen said he was ready to quit football. He said in September he called his mother after not playing in Week 1 and told her that he wanted to give it up.

"'I need help. I'm losing. I'm about to quit,'" Allen told the Union-Tribune. "(I wasn't) living up to my expectations of starting. I've never been a role player-type guy. Not easy at all. ... I've never had to do it before. I never had to adjust."

Allen said, "after that first game, I was about another snap away of not playing from quitting." He said he was thinking about going back to Cal and finishing his degree, maybe becoming a music producer.

READ MORE: Yahoo! Sports