4. Ed Delahanty (1899), Billy Hamilton (1894), Mike Schmidt (1976): 8.3 fWAR
Ed Delahanty played in a career-high 146 games during the 1899 season with an 8.3 fWAR. His 1.046 OPS was first in MLB. The utility player also led the league with an impressive .410 batting average and compiled a line of .410/.464/.582.
Delahanty's 137 RBI led all of baseball and were the second-highest of his career, only behind the 146 he finished with in 1893. He led MLB with 238 hits and 55 doubles in 1899. The 165 singles he posted were a career-high. His number of doubles was the most of his 16-year career.
He also posted the most hits, highest OPS, batting average and fWAR of his career. Delahanty also played in 146 contests this year, the most of his career in a single season. He received a posthumous election to the Hall of Fame in 1945.
Billy Hamilton finished second in MLB and led the Phillies with 220 hits during the 1894 season. He was known for his speed, as he led the majors with 98 stolen bases in 129 games. He finished second behind Delahanty for the team lead with a 1.051 OPS, the highest of his 14-year career and sixth-best in baseball.
The outfielder led MLB with 192 runs and 126 walks, demonstrating his speed and plate discipline to get on base. Hamilton finished with a .404/.523/.528 slash line. His .404 batting average was fourth in baseball and second-best for Philadelphia, trailing Delahanty's .407 average.
Hamilton's .523 OBP led the league and was also a career-high for him, and his 176 singles were another career-best in one of the best seasons of his career. He became a Hall of Famer posthumously in 1961.
Mike Schmidt, arguably the Phillies' all-time best player, continued to display his talents in 1976, his fourth full year in the majors. He played in 160 games, the first of three times he would play in this number of games during his 18-year career.
Schmidt's 112 runs led Philadelphia and were third in the majors, while he finished fourth in MLB and led the Phillies with 107 RBI. He also led the league with 38 home runs. His 100 walks led the franchise and were third-best in the major leagues. The third baseman's walk total was less than Reds second baseman Joe Morgan's 114 walks and Jimmy Wynn, the left fielder of the Atlanta Braves' league-leading 127 walks.