ST. PETERSBURG, Fla. — Blake Snell threw six scoreless innings, Wilson Ramos drove in two runs, and the Tampa Bay Rays avoided a three-game sweep by beating the Boston Red Sox 6-3 on Thursday night. Snell (6-3) allowed three hits, walked two and struck out eight. The left-hander is 2-0 in three starts against Boston this season, giving up two runs and 11 hits in 19 innings. Mitch Moreland hit a solo homer and Rafael Devers had an RBI double off Matt Andriese in the ninth as Boston got within three runs.