Jake Arrieta became the ace of the Chicago Cubs’ staff by default when Jeff Samardzija and Jason Hammel were traded, and his solid showing and bargain salary should keep him on the North Side past the trade deadline. The right-hander looks to continue his solid run Thursday as he takes the mound at Wrigley Field against the Colorado Rockies in the finale of this four-game set that has featured plenty of free baseball. Cubs president of baseball operations Theo Epstein took a gamble, and Arrieta (5-2, 2.18 ERA) has turned a corner this season. He’s allowed three earned runs or fewer in 14 of 15 starts and has become the most reliable starter for the Cubs (44-62) since they traded Samardzija and Hammel to Oakland on July 4.
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