Jordan Walker’s triple lifts the Cardinals to a 7-5 win over the Athletics
ST. LOUIS — Cardinals rookie outfielder Jordan Walker smoked the first triple of his major-league career — a bullet into the right-center field gap with a 100.4-mph exit velocity — that caromed off the end of Oakland Athletics right fielder Seth Brown and provided the deciding runs in Monday night’s series opener.
Walker crushed the triple with the bases loaded, two outs and the Cardinals…