Frank Castillo vs. Fred Rath Jr. — Career Comparison

Frank Castillo built a career as a starting pitcher and Fred Rath Jr. as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Fred Rath Jr. posted stronger surface numbers — ERA 1.69 and WHIP 1.500 compared to 4.56 and 1.378 for Frank Castillo. By the career numbers, Fred Rath Jr. had the better of this cross-role comparison — though era context would sharpen the verdict.