#2 Seth Rollins wins the Royal Rumble

If Finn Balor does win the Universal Championship at the Royal Rumble, then he will automatically not be a part of the Royal Rumble match at the event.
If that is the case, then Seth Rollins stands the highest chance of winning the Rumble match as he is one of the few favourites to do so.
Look who just shut down all of Tony Khan's critics! More HERE.
Rollins is currently not holding any championship and could fall out of the Intercontinental Championship picture soon and get in the picture for the top title instead.
SmackDown is currently packed with superstars who can fall in line for the WWE Championship, but Raw has a stronger mid-card scene at the moment as compared to an upper card scene due to the absence of the Universal Champion every week.
Therefore, Rollins emerges as the best man to win the Rumble as not only has he proven to be a workhorse, but done well in previous such matches too.