The Padres’ general manager Jack McKeon trades his son-in-law, pitcher Greg Booker, to the Twins for P Freddie Toliver. Booker has been booed in every appearance, but will make just six outings for the Twins before being sold to the Giants at the end of the season. Toliver will get in nine games with no decisions.

On June 29, 1989 The Padres’ general manager Jack McKeon trades his son-in-law, pitcher Greg Booker, to the Twins for P Freddie Toliver. Booker has been booed in every appearance, but will make just six outings for the Twins before being sold to the Giants at the end of the season. Toliver will get in nine games with no decisions.

Source
Baseball Reference June 29