Contract details on Casey Blake, Aaron Cook

DENVER — The idea that Casey Blake could play a significant role for the Rockies is hinted at in his new contract. Blake’s deal provides flexibility for the Rockies and $1 million in incentives for the player if he becomes a starter. Aaron Cook’s deal with the Red Sox, meanwhile, is equipped with escape clauses if he’s not added to their 25-man roster by June 1. The Rockies announced Blake’s signing on the day they introduced free agent Michael Cuddyer. Blake has a one-year, non-guaranteed, $2-million deal. He can make an additional $1 million with regular playing time, according to contract information obtained by The Denver Post. Blake will make an additional $200,000 for 350 plate appearances, maxing out at $1 million if he reaches 550 plate appearances. He’s expected to make the team if healthy, which would guarantee his deal. Blake, who last played with the Dodgers, can buy time for 20-year-old top prospect Nolan Arenado if he’s not r...