COLUMBIA, Mo. — Missouri’s throwback uniforms might have to stick around. Wearing the classic Block M jerseys and Tiger paw shorts from the program’s banner years, the Tigers throttled former conference nemesis and 12th-ranked Iowa State, 78-61, on Saturday in the SEC/Big 12 Challenge behind another flurry of 3-pointers. The win was Mizzou’s fourth this season against a ranked opponent and might push the Tigers (16-5) back into the national polls Monday. After making a season-high 16 3s earlier this week at Ole Miss, it was bombs away again Saturday at sold-out Mizzou Arena, where the Tigers s…