With the victory, Ranaudo improved to 12-4 with a 2.41 ERA this season. He has struck out 99 and walked 49 in 119 1/3 innings. His ERA is the second best in the International League, trailing only Buffalo right-hander Liam Hendriks' 2.40 mark, and he ranks third with a 1.15 WHIP.
Betts, ranked No. 48 on the Top 100 Prospects list, played right field and reached base safely in his first five plate appearances before making an out in the ninth inning. He finished the night 4-for-5 with a double, a walk and two runs to lead the offense. First baseman Travis Shaw, the Red Sox's No. 19 prospect, added two doubles.
Betts returned to the Pawtucket lineup on Sunday after spending a few weeks in the Major Leagues. He has picked up right where he left off in the Minor Leagues and has already started a five-game hitting streak. In 29 games in Triple-A this season, Betts is hitting .333/.422/.462 with two home runs and seven stolen bases.
Teddy Cahill is a reporter for MLB.com. Follow him on Twitter at @tedcahill. This story was not subject to the approval of Major League Baseball or its clubs.