United Kingdom, Sept. 26 -- Colin Jost has only ever asked one Saturday Night Live guest for their autograph.

The 43-year-old old star has worked on the long-running TV comedy show since 2005, and he's now revealed that Eli Manning, the legendary NFL quarterback, is the only guest that he's ever asked for a signature.

Colin - who is married to Hollywood star Scarlett Johansson - told People: "I've been writing on Saturday Night Live for 20 years, and the only host I've ever asked for their autograph was Eli.

"[He's] the only one I've asked because I'm such a Giants fan."

Colin actually asked Eli to sign a promotional photo that showed the sports star lying on a bed of footballs.

The comedian said: "He just signed it 'To Colin, Eli.' ...