After that, he played for eleven different Major League teams: the Giants, the Phillies, the Yankees, the Mariners, the Cubs, the Braves, the Dodgers, the Pirates, the Indians, the Twins, and the Diamondbacks.

On September 3, 1986, against the New York Mets, Mulholland fielded a hard-hit ground ball hit by Keith Hernandez.

[2] On June 18, 1989, the Giants traded Mulholland, Dennis Cook and Charlie Hayes for former Cy Young Award winner Steve Bedrosian and a player to be named later.

He defeated Don Robinson, who also served up the 500th career home run to Phillies legend, Mike Schmidt, just three years earlier.

The Blue Jays would win the series in this game on a walk-off, series-ending home run from Joe Carter against Phillies closer Mitch Williams.

At the 1999 trading deadline, the Braves acquired Mulholland along with infielder José Hernández from the Chicago Cubs for Micah Bowie, Rubén Quevedo and a player to be named later.