SCOTTSDALE, Ariz. — The Rockies figure they hit the jackpot with shortstop Ezequiel Tovar. On Tuesday, they rewarded him with a life-changing contract. “It’s a blessing and I’m so excited that the Rockies believed in me, and I’m excited to be here for a long time,” the 22-year-old said after officially signing a $63.5 million, seven-year contract extension.