Trlicek signed with the Phillies on June 18, 1987, and was sent to the Utica Blue Sox of the New York–Penn League. Trlicek posted a 2-5 record with a 4.10 ERA in 10 games, 8 of them starts. The Phillies returned Trlicek to the New York–Penn League in the 1988 season, this time to the Batavia Clippers, where in 8 starts, Trlicek had a 2-3 record with a 7.36 ERA. After a poor spring training in 1989, the Phillies released Trlicek on March 23, 1989.
Trlicek signed as a free agent on April 2, 1989 with the Atlanta Braves, spending most of the season with the Sumter Braves of the South Atlantic League, where in 16 starts, he had a 6-5 record and a 2.48 ERA. Trlicek also made a start with the Durham Bulls of the Carolina League, allowing just a run in 8 innings to earn the win. This would be his only season in the Braves organization, as on December 17, 1989, Atlanta sent Trlicek to the Toronto Blue Jays for Ernie Whitt and Kevin Batiste.
Toronto Blue Jays
The 1990 season for Trlicek would be spent with the Dunedin Blue Jays of the Florida State League. Trlicek had a 5-8 record with a 3.73 ERA in 26 starts with Dunedin. In 1991, the Blue Jays moved Trlicek to the bullpen, and he was promoted to the Knoxville Blue Jays of the Southern League. Trlicek appeared in 41 games, going 2-5 with a 2.45 ERA. Trlicek had a very solid spring training in 1992, and started the season with the Toronto Blue Jays, working as a middle reliever. He made his major league debut on April 8, 1992 at Tiger Stadium. Trlicek pitched 2/3 of an inning, allowing 2 runs in the Blue Jays 10-9 victory over the Detroit Tigers. He would then pitch a scoreless inning against the New York Yankees at SkyDome in Toronto on April 14, however, he was sent to the Syracuse Chiefs of the International League for the remainder of the season after that appearance. In Syracuse, Trlicek had a 1-1 record with a 4.40 ERA in 35 games. He would begin spring training in 1993 with the Blue Jays, however, on March 16, 1993, the Los Angeles Dodgers selected Trlicek off of waivers.
Los Angeles Dodgers
The 1993 would be Trlicek's first full season in the major leagues, as he appeared in 41 games with the Los Angeles Dodgers, posting a 1-2 record with a 4.08 ERA. Trlicek won his first major league game on September 9 against the Florida Marlins at Dodger Stadium, as he pitched a scoreless 10th inning before the Dodgers won the game in the bottom of the inning. Trlicek spent spring training in 1994 with the Dodgers, however he was placed on waivers and on April 1, 1994, the Boston Red Sox selected him.
Boston Red Sox
Trlicek opened the season with the Boston Red Sox, and earned his first win with the team in his first game, as he threw 1.2 scoreless innings in the Red Sox 5-4 win over the Detroit Tigers at Fenway Park. Trlicek struggled after that game though, as he was sent to the Pawtucket Red Sox with a 17.18 ERA in 6 games. Trlicek returned to Boston in June, however, he was demoted to the minors once again in early July. Boston then had Trlicek start with the New Britain Red Sox. In New Britain, Trlicek had a 0-1 record with a 0.73 ERA in 6 starts, before being recalled to Boston. Trlicek made his first ever major league start on August 8, 1994, pitching 5.2 innings, allowing 2 earned runs in a 5-2 loss to the Minnesota Twins at the Hubert H. Humphrey Metrodome. As the 1994 Baseball Strike began, the Red Sox moved Trlicek to Pawtucket for the remainder of the year. He finished the season with a 1-1 record and an 8.06 ERA with Boston, and a 2-1 record with a 2.63 ERA in Pawtucket. The Red Sox would release Trlicek on December 8, making him a free agent.
On January 27, 1995, the San Francisco Giants signed Trlicek, and sent him to the Phoenix Firebirds as a reliever. Trlicek played in 38 games with Phoenix, having a 5-4 record with a 5.29 ERA. On July 18, 1995, the Giants released Trlicek.
Ten days later, on July 28, 1995, the Cleveland Indians signed Trlicek to a minor league contract, sending him to the Canton–Akron Indians of the Eastern League. Trlicek appeared in 24 games, all in relief, posting a 5-3 record with a 3.05 ERA and 3 saves. The Indians elected not to resign Trlicek and he became a free agent on October 16, 1995.
Detroit Tigers
On November 30, 1995, Trlicek signed with the Detroit Tigers. He spent spring training in 1996 with the Tigers, however, Detroit released Trlicek on March 27, 1996.
The next day, on March 28, 1996, the New York Mets signed Trlicek and sent him to the Norfolk Tides of the International League. Trlicek had a very solid season in Norfolk, as he had a 4-5 record with a 1.87 ERA, along with 10 saves. He earned a September call-up to the Mets, and in 5 games with New York, he had a 0-1 record with a 3.38. After the season, on October 14, 1996, the Boston Red Sox selected Trlicek off of waivers.
Boston Red Sox
Trlicek began the season at the major league level with the Boston Red Sox. He appeared in 18 games with the Red Sox, posting a 3-4 record with a 4.63 ERA. The Red Sox then sent Trlicek back to the New York Mets for Toby Borland.
New York Mets
Trlicek would appear in only 8 games with the Mets, as he had a 0-0 record with an 8.00 in New York before an arm injury ended his season. He signed with the Mets for the 1998 season, however, he would spend the year with the Norfolk Tides, going 2-2 with a 6.08 ERA in 19 games. Trlicek would announce his retirement from playing at the end of the season.
