Luka Garza scored 27 points — all but one of them in two spurts — and Iowa beat Northwestern 75-62. C.J. Fredrick and Joe Wieskamp each added 11 as the Hawkeyes (12-5, 3-3 Big Ten) won their second straight.Miller Kopp scored 15 and Peter Nance had 11 for the cold-shootings Wildcat (6-10, 1-5), who connected at just 36% from the floor and have lost six of seven.