Learn Spanish (Latin America): Probablemente el rival reciba una penalización. - The rival will probably receive a penalty.

Adverbs of probability like probablemente often trigger the subjunctive when they come before the verb to highlight uncertainty. While English uses "will" plus "probably" to show a likely future event, Spanish often leans on the subjunctive mood to express that same degree of doubt.

Is it grammatically wrong to say Probablemente el rival recibirá... using the future indicative?

Not at all! With probablemente, both the subjunctive (reciba) and indicative (recibirá) are completely correct. Using the subjunctive emphasizes your doubt, while the indicative makes the statement sound like a more confident, factual prediction.

Does the position of probablemente affect whether I use the subjunctive or indicative?

Yes, it is a strict rule. If you move probablemente after the verb, you must use the indicative mood. You would have to say, El rival recibirá una penalización, probablemente. The subjunctive is only allowed when the adverb comes before the verb.

What is the difference between a penalización and a multa?

A penalización is a general penalty, disadvantage, or sanction (commonly used in sports, games, or business contracts). A multa specifically refers to a financial fine, such as a traffic ticket.