A look at what's happening all around the major leagues Tuesday:
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Jimmy Rollins returns to Citizens Bank Park for the first time since Philadelphia traded the team's career hits leader to the Dodgers in the offseason. The 36-year-old shortstop is hitting just .216 with eight steals for the NL West leaders. The former MVP played 15 seasons for the Phillies, and they plan to honor him before the game. Once it begins, newly acquired Alex Wood makes his LA debut.
NO PRESSURE, ROOK
Red Sox lefty Henry Owens is set to make his major league debut, starting at Yankee Stadium against AL East-leading New York. The 23-year-old is 3-8 with a 3.16 ERA in 21 starts at Triple-A Pawtucket, and is being promoted with Rick Porcello on the disabled list. Masahiro Tanaka starts vs. last-place Boston.
ONE RUN, MAX?
Nationals ace Max Scherzer starts at home against Arizona, the team that drafted him in the first round in 2006 and brought him to the majors. He allowed a run in seven innings in an 11-1 win over the Diamondbacks in May.
JUST IN TIME
Tigers star Justin Verlander tries to slow down the AL Central-leading Royals when they visit Comerica Park. Verlander was winless in his first seven starts this year after coming off the disabled list, but struck out 10 in his last outing to beat Tampa Bay.
Mike Fiers makes his Astros debut, starting at Texas. He was 5-9 with a 3.89 ERA in 21 games before Milwaukee traded him and star outfielder Carlos Gomez to Houston last week.
THE BUC STARTS HERE
J.A. Happ pitches for the first time with Pittsburgh, taking on the visiting Cubs. Happ was 4-6 with Seattle before the Pirates got him last week - they need help on the mound, with A.J. Burnett expected to miss a month with an elbow strain.