J.J. Post Oct 23, 2026, 09:50 AM ET

This year's World Series will be contested by a pair of franchises that share a key similarity.

Toss aside the narratives about market size, playing styles and league-best records. We're talking about the fact that both the Tampa Bay Rays and Milwaukee Brewers play inside stadiums that have roofs.

Now, not all domed stadiums are created equal -- the roof of Milwaukee's American Family Field is retractable, while that of Tampa Bay's Tropicana Field is permanent -- but both venues for this year's Fall Classic add a potential quirk to gameplay that emerged once in each team's respective playoff run: a "roofball." The concept is simple: sometimes, a ball is hit so high, at such an acute angle, that it strikes the stadium roof (well, not usually the roof specifically.…