When Oklahoma baseball welcomes Baylor to L. Dale Mitchell Ballpark this weekend, it will do so in trying to accomplish something that hasn’t been done in the previous 28 years of membership in the Big 12 Conference: winning the regular season title. Skip Johnson’s club heads into the final two weekends of Big 12 play with a three-game lead over Oklahoma State, Texas and West Virginia. A regular season title is a reality with just six conference games left. With two wins over the final two weekends, Oklahoma would set the school record for conference wins in a season. Oh, and there’s also that…