⚾ Bill Madlock Signed Pittsburgh Pirates Black Baseball Jersey JSA COA — "Mad Dog" — Born Markham, Illinois — 4x National League Batting Champion (1975, 1976, 1981, 1983) — 1979 World Series Champion — Pittsburgh Pirates — JSA Certified Autograph

⚾ A Bill Madlock signed Pittsburgh Pirates black baseball jersey, authenticated by JSA (James Spence Authentication) Certificate of Authenticity. Bill Madlock — "Mad Dog," the four-time National League batting champion who combined a short, compact swing with exceptional bat-to-ball ability and the competitive tenacity that his nickname captured — signed this black Pirates alternate jersey representing the Pittsburgh chapter of his career. JSA-certified genuine. Condition: NOS.

🌟 Markham, Illinois — The South Suburb — The Batting Champion Nobody Saw Coming From a Two-Year College

Bill Madlock was born January 12, 1951, in Markham, Illinois — a south suburb of Chicago in Cook County where the Chicago metropolitan area's working-class communities extended into the industrial landscape of the southern suburbs. He did not attend a Division I four-year university; he played at Southeastern Illinois College before being discovered by professional scouts and entering the baseball development system — a pathway that had produced fewer major league batting champions than the traditional four-year university or Caribbean international pipeline. The fact that Madlock became a four-time batting champion emerging from a community college baseball program was an argument for the proposition that hitting is a skill that can develop independently of the recruiting budgets and infrastructure that big programs control. Condition: NOS.

⭐ Chicago Cubs (1974-1976) — San Francisco Giants — Pittsburgh Pirates — Four Batting Titles in Three Franchises

Bill Madlock won his four National League batting titles across two different franchises: the 1975 and 1976 batting titles with the Chicago Cubs, and the 1981 and 1983 batting titles with the Pittsburgh Pirates. Winning batting titles with two different organizations, separated by years and different roster constructions, documented that the skill was portable and durable rather than context-specific: the Mad Dog swing worked in Wrigley Field, it worked in Three Rivers Stadium, and it produced a .305 career batting average across 15 major league seasons. The 1975 title came on the final day of the season by two percentage points — Madlock going 4-for-5 in the final game to edge out Dave Parker for the batting championship in one of the closest batting race finishes in league history. Condition: NOS.

🏆 Pittsburgh Pirates — 1979 World Series Champions — "We Are Family" — The Championship Season

Bill Madlock was part of the 1979 Pittsburgh Pirates "We Are Family" team — the championship roster built around Willie Stargell, Dave Parker, Omar Moreno, Phil Garner, and a pitching staff that included John Candelaria and Bert Blyleven — that defeated the Baltimore Orioles four games to three in a dramatic World Series comeback after trailing three games to one. The Pirates' 'We Are Family' theme, taken from the Sister Sledge song that became the unofficial anthem of that summer in Pittsburgh, captured the family-like bond that the Pittsburgh roster had developed across the season. Madlock contributed to that championship as the team's third baseman and offensive producer, and his name is written into the Pirates' 1979 championship history. The black Pirates jersey signed by Madlock and certified by JSA is the artifact of that championship affiliation. Condition: NOS.

📦 Item Details

Item: Bill Madlock Signed Pittsburgh Pirates Black Baseball Jersey. Authentication: JSA (James Spence Authentication) Certificate of Authenticity. Athlete: Bill Madlock, "Mad Dog." Born: January 12, 1951, Markham, Illinois. Teams: Chicago Cubs, San Francisco Giants, Pittsburgh Pirates (2 stints), Los Angeles Dodgers, Detroit Tigers. Batting titles: 1975 (Cubs), 1976 (Cubs), 1981 (Pirates), 1983 (Pirates). Championship: 1979 World Series champion (Pittsburgh Pirates). Condition: NOS.

⚾⭐ Markham. Illinois. Cook County. South suburb. Chicago. The compact swing. The barrel control. The bat-to-ball. The Mad Dog. Southeastern Illinois College. Not a four-year program. Four batting titles anyway. 1975. Chicago. The Cubs. The batting race. The final day. Four-for-five. The championship by two points. 1976. Back to back. 1979. Pittsburgh. The Pirates. We Are Family. Sister Sledge. Willie Stargell. The comeback. Three games to one down. Four wins in a row. The championship. 1981. Another batting title. 1983. The fourth. JSA certified. The black jersey signed. Condition: NOS.