The anti-Trump vote is turning out yuge as well, with Cruz also getting wins larger than has happened in these states before. Sometimes both Cruz and Trump in the same state get wins bigger than the previous top winner.
Why not? Cruz had some record turnout levels set in his Senate primary in Texas. So he is the only one in the race with an actual track record for increasing turnout.
WOW! After Weekend Wins, Cruz Campaign Rakes In BUTT Ton of Cash
http://www.redstate.com/absentee/2016/03/07/weekend-wins-cruz-campaign-rakes-butt-ton-cash/