[1] He was selected as an NCAA Division I All-American by the American Baseball Coaches Association as a designated hitter.

In 1995, the Cardinals traded Watson, Doug Creek, and Rich DeLucia, to the San Francisco Giants for Royce Clayton and Chris Wimmer.

On June 14, 1997, Watson gave up the first-ever grand slam in interleague play, to Rich Aurilia of the San Francisco Giants.

On June 18, 1999, the Mets traded Watson and cash considerations to the Seattle Mariners for Mac Suzuki and a player to be named later.

His play earned him a spot on the postseason roster, where he pitched one inning in the 1999 American League Championship Series against the Red Sox.

[8] Watson is currently working as a personal pitching coach for prospective athletes in Queens and Long Island.

[citation needed] On December 20, 2007, Watson was named in Jason Grimsley's affidavit as having used performance-enhancing drugs.

In a statement released by his agent, Watson denied these accusations by stating: I at no time over my professional baseball career used steroids or any performance-enhancing drugs.