Nine players on the field is correct. In Major League Baseball, the total number of active players, field and dugout, is 25. (except for the last few weeks of the season when teams may expand their rosters.)

Likely a faulty thermocouple. Easy to replace, just pick one up at your local hardware store and follow the directions.

NASCAR's top three divisions all use Goodyear Racing Tires. (not tyres, as that sounds extremely anti-NASCAR). The tires vary from one race track to another depending upon the speed attained at the track and the texture and finish of the track.

Cheerleading a sport? I don't think so. I can think of two sports that qualify for this category: A) boxing, and b) figure skating.

The real reason manholes are round is that it is the only shaper wherein the cover will not fall into the hole, no matter how you twist or turn it.

The bump is there for what are termed "touch" calculator operators. They never look down at the keys, so can always find the "home" or 5 key by feeling the bump.

Smaller hands simply means cheaper gloves.