Big day for A’s Triple-A affiliate

Rarely does a Triple-A game merit the lead to the A’s Beat, but Wednesday’s 11-8 Nashville victory at Iowa deserves the attention of Oakland fans, and not merely because the Sounds prevailed on a three-run homer in the 11th inning by Ryan Lavarnway.

Nashville trailed 8-2 before scoring six times in the eighth inning. It tied the game on Matt Olson’s grand slam. He had a day to remember: that slam and four walks.

Three Oakland right-handers on the disabled list pitched for Nashville. Kendall Graveman (strained shoulder) started and allowed four runs on five hits in 21/3 innings.

Jharel Cotton (thumb blister) gave up four runs on four hits in 31/3 innings, but he did strike out six. Chris…