The phrase "throws curve" is commonly used to describe a situation in which something unexpected occurs. When looking for antonyms, we can consider words that indicate predictability, consistency, and straightforwardness. Some options include "follows protocol," "sticks to the plan," and "plays by the rules." These phrases suggest a methodical and structured approach to a given situation, with little room for surprises or unexpected twists. Alternatively, we might consider more positive antonyms, such as "delivers success," "achieves excellence," and "fulfills expectations." These phrases describe a successful outcome that meets or exceeds the desired goals, leaving little room for unexpected setbacks or challenges.