8 – Dick Ruthven (1973 – 1975, 1978 – 1983)
Ruthven was a key member in the starting rotation for the 1980 World Series championship team, finishing 17-10 with an ERA 3.55 in 223 innings. An All-Star for the first half performance in 1981, Ruthven’s ERA ballooned to 5.15, although he finished with a record of 12-7. He also had a solid 11-win season in 1982, but makes this list mainly for his contribution to the 1980 team.
7 – Kevin Gross (1983 – 1988)
Gross won four games as a rookie on the 1983 NL Championship team. He won 15 games with a 3.41 ERA and was an All-Star in 1988. A workhorse, Gross pitched in over 200 years in four consecutive seasons. He finished his time in Philadelphia with a 60-66 record and 3.87 ERA.