Signed baseball game used from 6/13/03 when Roger Clemens hit both the 300-win and 4000-strikeout plateaus. Official Major League (Selig) ball includes Yankees 100th Anniversary stamp and shows use with one noticeable scuff. The Rocket has signed on the sweet spot in 7/10 blue ink and inscribed with "300 Ws/4000 Ks." He tied a season high with 10 strikeouts in reaching his milestones with a 5-2 win over the St. Louis Cardinals at Yankee Stadium.