Padres’ rotation plan is heading for an awkward workload dilemma

Padres pitching coach Ruben Niebla against the Arizona Diamondbacks at Chase Field. | Mark J. Rebilas-Imagn ImagesSpring training is where teams pretend their plans are neat and linear. The Padres’ pitching plan already isn’t — and Ruben Niebla basically laid out why.

For starters, the top of the rotation is treated like it’s spoken for: Nick Pivetta, Michael King, and Joe Musgrove are the trio everyone in camp is building around. That’s the comforting part. The uncomfortable part is everything behind it — because the Padres have “so many arms, so few spots,” and a lot of them come with baggage.

Padres’ Ruben Niebla is juggling a tricky rotation workload plan with real roster fallout

Niebla…