Told it was John Sullivan, Cox immediately knew it was an imposter.
"I said, 'That's not John Sullivan. I think you've been had,' " Cox told the Atlanta Journal-Constitution.
That night, the nervy interloper even went out for drinks with some former Braves. Confronted by the real ex-players, "Sullivan" finally came clean.
By Sunday morning he was gone - and nobody has any idea who he was.
According to the Journal-Constitution, the real John Sullivan is alive and well in Dansville, N.Y. The 71-year-old former catcher was a coach for the Blue Jays until retiring in 1993.
Did you see that?
Tigers closer Jose Valverde denied throwing a spitball on Sunday night. An Internet video showed Valverde putting his glove to his mouth with the ball in it before a 1-2 pitch to Cincinnati's Devin Mesoraco, who swung and missed.
Valverde said he was wiping sweat from his face with his glove.
Around the bigs
The Dodgers signed Andre Ethier to a five-year deal worth $85 million. The 30-year-old rightfielder led the NL with 53 RBIs and was batting .287 with 10 home runs going into Tuesday night's game.
Elsewhere: Yankees closer Mariano Rivera said surgery on his injured right knee "went perfectly." . . . Dave Boswell, who won 20 games for Minnesota in 1969 has died, the team said. He was 67. . . . Brian Roberts returned to the Orioles after missing 13 months with a concussion. . . . Texas put righthander Alexi Ogando on the 15-day DL (strained right groin). . . . Detroit put reliever Octavio Dotel on the DL (inflammed right elbow). . . . Toronto released Vladimir Guerrero.
Contact Don McKee at dmckee@phillynews.com.
This article contains information from the Associated Press.