What's at stake

A single regular-season game will determine the moneyline winner and whether cumulative runs exceed each posted over/under from 1.5 up to 8.5.

Outcomes also settle the yes/no first-inning run market and whether either team covers the specified point spreads (-1.5 and -2.5).

Who's in play

Chicago Cubs and Texas Rangers rosters, starting pitchers, and bullpens directly control the result.

Managers' lineup choices, key hitters' platoon matchups, and relievers' recent workloads determine scoring tempo and who covers the spreads.

What drives it

Starting pitchers' handedness, recent form, velocity and estimated innings are primary levers for totals and the moneyline.

Weather, ballpark factor, defensive shifts, pinch-hitting decisions and bullpen depth can swing run totals and late-game spreads.

What to watch

Game-day signals include official starter confirmations, first-pitch time, and the 30-minute lineup cards released before the game.

Also monitor weather forecasts, scratches and late lineup switches, bullpen warmups, and the score of the first inning for the early run market.