The Arkansas Razorbacks have a huge season finale series against the Texas A&M Aggies, with the SEC regular season championship up for grabs. And the pitching rotation for the three-game series has already been decided, according to Arkansas baseball head coach Dave Van Horn. “(Hagen) Smith will go first, Gage Wood will go second, and we’ll leave the third game TBA,” said Van Horn. Van Horn will have his lefty starter take the mound on Thursday and switch to his young, talented right-handed pitcher for Friday’s matchup. As for Sunday, the Arkansas skipper has a few options, like lefty junior M…