Derek Jansen Lilliquist (born February 20, 1966) is a former Major League Baseball (MLB) pitcher and pitching coach. He played for the Atlanta Braves (1989–1990), San Diego Padres (1990–1991), Cleveland Indians (1992–1994), Boston Red Sox (1995) and Cincinnati Reds (1996), and has coached for the St. Louis Cardinals and Washington Nationals.