If the spread is set at +7, the underdog must either win the game outright or lose by fewer than seven points in order to cover. For the favorite to cover, they must win by more than seven points.

Drake revealed Thursday night that he wagered big money on Logan Paul to beat Dillon Danis by knockout in their boxing match Saturday. The rap icon posted a screenshot of his bet on Instagram, showing proof that he put $850,000 on Paul to win by knockout. If Paul comes through, Drake will win $1.351 million.

System Entry, iBet\n\n Select four digits and place bets on all its possible combinations. For System Entry, each 4D number combination costs a minimum of $1. For iBet, all 4D number combinations cost a minimum of $1 in total. Your prize money is proportionately divided by the number of combinations.

Some bettors will assign 1 percent of their bankroll to a unit, while others could do 2, 3 or even 5 percent. If you have a bankroll of $1,000, for example, 1 unit could be $10 or maybe $20 or even $30. If you have a bankroll of $2,000, 1 unit could be $20 or maybe even $40 or $100.