MLB Heat Check: Tampa Bay Rays Are Scorching (9-1 Last 10)

Ten games is not a season, but it is a mood, and moods decide a lot of games. The current mood around MLB: Tampa Bay Rays keep winning, Oakland Athletics keep losing, and everybody else lives somewhere in the weather between.

Burning up

Start with Tampa Bay Rays. They have won 9 of their last 10, and they have not been sneaking past anyone: the runs margin over that stretch is +20, which breaks down to about 5.9 scored and 3.9 allowed per game. That is the arithmetic of a team winning on merit, not on bounces.

Right behind them sit Detroit Tigers, 8-2 over the same kind of stretch and +51 on runs margin, quieter, but pointed the same direction.

Chicago Cubs (8-2) round out the warm end of the ledger.

Some context helps: across every club in the sample, scoring sits at 4.3 runs per game right now. Tampa Bay Rays are beating the league's own pace by 1.6 a game.

Who's cold

Then there is Oakland Athletics. A 1-9 stretch is ugly on its own; pair it with a -42 runs margin and it stops looking like bad luck. They are being outscored by about 4.2 runs a game, and no scheduling quirk explains that away.

Cleveland Guardians are not far behind on the misery index at 2-8.

The middle of the table is where the real congestion lives: Houston Astros (5-5) and Texas Rangers (5-5) are separated by almost nothing, and one good weekend reshuffles the whole neighborhood.

At a glance

Here is the warm half of the form table, last ten games for every club:

Worth remembering

One reading tip before you go: runs margin travels better than record. A fat margin with a modest record usually means the wins are coming; the reverse usually means they are not.