Mahtomedi Youth Baseball Registration For 2020 Opens in January In-house baseball leagues Grades K-9th Cost ranges from $50 to $210 Time: 2-3 days/week depending on age level Includes end of season play-offs Travel baseball leagues Age groups 9u � 15u � typically two teams per age level Cost is around $450 � we base it off of metro league fees Time: 3-5 per days/week depends on age level Cost includes 3 tournaments and chance to play in state tourney