Colorado Rockies shortstop Troy Tulowitzki made his MLB debut on August 30 2006 after playing just 126 games in the minors. By the start of the 2007 season Tulowitzki emerged as the starting shortstop and enjoyed a most memorable year notching an unassisted triple play crushing his first grand slam batting .291 with 99 RBIs and 24 home runs and helping the Rockies win the NL Wild Card the NLDS and the NLCS. Using a blue ballpoint pen Troy Tulowitzki has hand signed this official MLB baseball affixing his signature on the sweet spot. A Steiner Sports Certificate of Authenticity is included.  Baseball comes in Glass/Wood mirrored case. A must-have for any baseball enthusiast!