The two-time AL Central champion Twins are hoping Happ can give them a veteran presence at the back of their rotation.
Ian Anderson pitched two scoreless innings, allowing three hits and a walk.
Houston piggy-backed a pair of starters with Framber Valdez yielding McNeil's homer in the first two innings, striking out two.
AdBLUE JAYS 4, PHILLIES 2 (6)Steven Matz allowed a hit in two scoreless innings, striking out three without a walk.
CUBS 3, ROYALS 2 (7)Outfielder Rafael Ortega, who signed a minor league deal with Chicago after playing 34 games for Atlanta last season, hit a bases-loaded triple.