New Vikings coordinator Klint Kubiak getting 'on-the-spot' play-calling training in practices

Coordinator Klint Kubiak (right) and quarterbacks coach Andrew Janocko (left) watch quarterback Nate Stanley (14) throw at Vikings minicamp.The Vikings' offseason program, which ended Thursday when coach Mike Zimmer canceled the spring's final practice as a reward to players, served as a trial run for young players and coaches alike, including first-year offensive coordinator Klint Kubiak.

Throughout five practices open to reporters this spring, Zimmer varied the situations in which Kubiak called plays — something the 34-year-old coordinator hasn't done outside of preseason games. Goal-line, two-minute, and third-down play calls were repeatedly set up, with more to come in training camp…