Gubicza was born August 14, 1962 in Philadelphia. He attended the William Penn Charter School where he was teammates with Rubén Amaro Jr. Though he grew up in Philadelphia, he was a Baltimore Orioles fan who idolized Jim Palmer. He was drafted by the Kansas City Royals in the 2nd round of the 1981 Amateur Draft, the 34th overall pick. He began his professional baseball career at age 18 with the Royals Gold in the Gulf Coast League, where he went 8-1 with a 2.25 ERA and 40 strikeouts in 56 innings. He played for Fort Myers in the Florida State Class A League in 1982 and missed most of the season due to injuries. In 1983, he was assigned to the Jacksonville Suns, the Royals AA team in the Southern League, managed by Gene Lamont. Gubicza was 14-12 with a 2.72 ERA, and 146 strikeouts in 196 innings. He made his major league debut on April 6, 1984 against the Cleveland Indians at Royals Stadium. He pitched 6 innings, gave up 5 hits, 1 run, and struck out 4.
Career highlights
Gubicza was a member of Kansas City's American League Western Division winning team and as well as their 1985 World Series winning team. However, he didn't get a chance to pitch in the 1985 World Series as the Royals decided to go with a four-man starting rotation. He was elected to American LeagueAll-Star Teams in 1988 and 1989. Gubicza finished 3rd in voting for the 1988 American League Cy Young Award after posting a 20–8 win–loss record in 35 games, 8 complete games, 4 shutouts, innings pitched, 237 hits allowed, 94 runs allowed, 11 home runs allowed, 83 walks, 183 strikeouts, and a 2.70 ERA. He led the American League in games started in 1989 and 1995.
Broadcasting
Gubicza has served as an MLB Analyst on Dodgers and Angels pre-game and post-game shows for Fox Sports West/Prime Ticket. In 2007, he was paired with José Mota on fifty Angels telecasts on Fox Sports West/Prime Ticket and KCOP. He also co-hosts Angels in the Infield with Bill Macdonald. The Angels announced that he will work roughly 75 games on television during the 2008 season. Gubizca was slated to work with Rory Markas on Angels broadcasts in 2010 before Markas's sudden death on January 4, 2010. On March 3, 2010, Victor Rojas was named as Markas' replacement. He appeared in 30 for 30: You Don't Know Bo: The Legend of Bo Jackson, which first aired on 8 December 2012.