Smoltz won both his starts against the Pittsburgh Pirates, capped by a complete game shutout in the seventh game, propelling the Braves to their first World Series since moving to Atlanta in 1966.Smoltz had two no-decisions against the Minnesota Twins, with a 1.26 ERA.He posted poor statistics in a dozen starts, but in 1989 Smoltz blossomed.In 29 starts, he recorded a 12–11 record and 2.94 ERA while pitching 208 innings, and was named to the NL All-Star team.He is the only pitcher in major league history to record both 200 wins and 150 saves.Smoltz was one of the most prominent pitchers in playoff history, posting a record of 15–4 with a 2.67 earned run average (ERA) in 41 career postseason games, and was named the Most Valuable Player of the 1992 NL Championship Series; Andy Pettitte later broke his record for career postseason wins.Atlanta reliever Mike Stanton pitched out of the jam, getting Smoltz off the hook, and Morris eventually pitched a 10-inning complete game victory.The next year, Smoltz won 15 regular season games and was the MVP of the 1992 National League Championship Series, winning two games.
His winning ways continued into the 1991 National League Championship Series.
Smoltz threw a four-seam fastball that was clocked as high as 98 miles per hour, a strong, effective slider, and an 88–91 mph split-finger fastball that he used as a strikeout pitch.
He also mixed in a curveball and change-up on occasion, and in 1999, he began experimenting with both a knuckleball and a screwball, though he rarely used either in game situations.
Teammate Tom Glavine also had his first good year in 1989, raising optimism about the future of Atlanta's pitching staff.
Over his career, Smoltz threw a four-seam fastball that was clocked as high as 98 miles per hour, a strong, effective slider and an 88–91 mph split-finger fastball that he used as a strikeout pitch.