Cardinals Left Fielder Lou Brock has personally hand-signed this MLB Baseball and inscribed it 938 SB- Brock is more notably known for breaking Ty Cobbs all-time major league stolen base record with 892 stolen bases. This record was considered to be unbreakable. Brock also became the 14th player in Major League Baseball history to reach 3000 hits. In his nineteen year career Lou Brock played in 2616 games collecting 3023 hits in 10332 at-bats for an average .293 career batting average. Brock was also a six-time All-Star he hit over .300 eight times in his career and he ended his career .959 fielding percentage. This Lou Brock autograph is guaranteed authentic and includes a Steiner Sports Certificate of Authenticity and accompanying tamper-evident Steiner Hologram. The Steiner Seal Means Its Real.