walks, and a 3.76 ERA in 1190 innings pitched. Bosio became a free agent after the 1992 season. Seattle Mariners The Seattle Mariners signed Bosio in December 1992. On April 22, 1993, Bosio was the second pitcher in Mariners' history to pitch a no-hitter, when he retired 27 straight Boston Red Sox batters after walking the first two. The last out was made when shortstop Omar Vizquel bare-handed a high chopper over the mound by Ernest Riles and threw him out. It stood as the most recent no-hitter for the Mariners until the team's six-pitcher effort against the Los Angeles Dodgers on June 8, 2012, as well as the most recent no-hitter by a single Mariners pitcher until Félix Hernández's perfect game on August 15, 2012. On June 25, 1993, Bosio made the only non-pitching appearance of his career, entering a game against the Chicago White Sox as a pinch runner for Bret Boone; he did not have a plate appearance. Manager Lou Pinella inserted Bosio in the game to qualify as an appearance, so Bosio could subsequently start serving a pending suspension for his involvement in a brawl. With the 1993 Mariners, Bosio appeared in 29 games (24 starts), compiling a 3.45 ERA and a 9–9 record. In 1994, Bosio had a 4–10 record with 4.32 ERA in 19 games (all starts). His record improved to 10–8 in 1995, when he played in 31 games (all starts) and had a 4.92 ERA. Bosio's only postseason appearances were in 1995. He started two games in the ALDS against the New York Yankees, pitching a total of innings and giving up nine earned runs (10.57 ERA); he did not record a win or a loss. Seattle advanced to the ALCS, losing in six games to the Cleveland Indians. Bosio started Game 5, giving up three runs (two earned) in innings and taking the loss. Bosio had a career-high 5.93 ERA in 1996, when he appeared in 18 games (nine starts) with a 4–4 record. He was granted free agency in November 1996. In four seasons with the Mariners, Bosio appeared in 97 games (83 starts) with an overall record of 27–31, 310 strikeouts, 192 walks, and a 4.43 ERA in 520 innings pitched. Late career In August 1997, Bosio signed with the Boston Red Sox organization, making two appearances with their Rookie League team, and one appearance in Class A-Advanced. At