Read moreMichael Andrew Posts 100 Backstroke Best Time, NEW National Age Group Record21 March 2014 ORLANDO, Florida, March 21. ANOTHER night, another National Age Group record for Michael Andrew. Since he owns all but two boys 13-14 NAGs, anytime Andrews gets a best time, USA swimming media has to rush to rewrite the record charts. Andrews improved his 100 backstroke NAG by nearly three tenths o...